70492706738 has 4 divisors (see below), whose sum is σ = 105739060110. Its totient is φ = 35246353368.

The previous prime is 70492706737. The next prime is 70492706743. The reversal of 70492706738 is 83760729407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83760729407 = 32089 ⋅2610263.

It can be written as a sum of positive squares in only one way, i.e., 58314039289 + 12178667449 = 241483^2 + 110357^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70492706738.

It is not an unprimeable number, because it can be changed into a prime (70492706731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17623176683 + ... + 17623176686.

Almost surely, 2^70492706738 is an apocalyptic number.

70492706738 is a deficient number, since it is larger than the sum of its proper divisors (35246353372).

70492706738 is a wasteful number, since it uses less digits than its factorization.

70492706738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35246353371.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 70492706738 in words is "seventy billion, four hundred ninety-two million, seven hundred six thousand, seven hundred thirty-eight".