70823703725 has 12 divisors (see below), whose sum is σ = 87829480116. Its totient is φ = 56653745280.

The previous prime is 70823703721. The next prime is 70823703751. The reversal of 70823703725 is 52730732807.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9360369001 + 61463334724 = 96749^2 + 247918^2 .

It is not a de Polignac number, because 70823703725 - 2² = 70823703721 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70823703721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159059 + ... + 408591.

It is an arithmetic number, because the mean of its divisors is an integer number (7319123343).

Almost surely, 2^70823703725 is an apocalyptic number.

It is an amenable number.

70823703725 is a deficient number, since it is larger than the sum of its proper divisors (17005776391).

70823703725 is a wasteful number, since it uses less digits than its factorization.

70823703725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260896 (or 260891 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 70823703725 in words is "seventy billion, eight hundred twenty-three million, seven hundred three thousand, seven hundred twenty-five".