70750733 has 4 divisors (see below), whose sum is σ = 71480220. Its totient is φ = 70021248.

The previous prime is 70750723. The next prime is 70750739. The reversal of 70750733 is 33705707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33705707 = 7 ⋅4815101.

It can be written as a sum of positive squares in 2 ways, for example, as 53553124 + 17197609 = 7318^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 70750733 - 2⁴ = 70750717 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 70750733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70750739) 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, 364598 + ... + 364791.

It is an arithmetic number, because the mean of its divisors is an integer number (17870055).

Almost surely, 2^70750733 is an apocalyptic number.

It is an amenable number.

70750733 is a deficient number, since it is larger than the sum of its proper divisors (729487).

70750733 is an equidigital number, since it uses as much as digits as its factorization.

70750733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729486.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 70750733 is about 8411.3454928448. The cubic root of 70750733 is about 413.5966202504.

The spelling of 70750733 in words is "seventy million, seven hundred fifty thousand, seven hundred thirty-three".