701252749 has 4 divisors (see below), whose sum is σ = 720205564. Its totient is φ = 682299936.

The previous prime is 701252723. The next prime is 701252759. The reversal of 701252749 is 947252107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 947252107 = 79 ⋅11990533.

It can be written as a sum of positive squares in 2 ways, for example, as 580472649 + 120780100 = 24093^2 + 10990^2 .

It is a cyclic number.

It is not a de Polignac number, because 701252749 - 2⁷ = 701252621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 18952777 = 701252749 / (7 + 0 + 1 + 2 + 5 + 2 + 7 + 4 + 9).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701252759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9476352 + ... + 9476425.

It is an arithmetic number, because the mean of its divisors is an integer number (180051391).

Almost surely, 2^701252749 is an apocalyptic number.

It is an amenable number.

701252749 is a deficient number, since it is larger than the sum of its proper divisors (18952815).

701252749 is a wasteful number, since it uses less digits than its factorization.

701252749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952814.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 701252749 is about 26481.1772585737. The cubic root of 701252749 is about 888.4333626747.

The spelling of 701252749 in words is "seven hundred one million, two hundred fifty-two thousand, seven hundred forty-nine".