70744501 has 4 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 70727404.

The previous prime is 70744489. The next prime is 70744507. The reversal of 70744501 is 10544707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10544707 = 71 ⋅148517.

It is a cyclic number.

It is not a de Polignac number, because 70744501 - 2¹⁷ = 70613429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70744501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70744507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980 + ... + 12058.

It is an arithmetic number, because the mean of its divisors is an integer number (17690400).

Almost surely, 2^70744501 is an apocalyptic number.

It is an amenable number.

70744501 is a deficient number, since it is larger than the sum of its proper divisors (17099).

70744501 is a wasteful number, since it uses less digits than its factorization.

70744501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70744501 is about 8410.9750326582. The cubic root of 70744501 is about 413.5844761604.

The spelling of 70744501 in words is "seventy million, seven hundred forty-four thousand, five hundred one".