70720511476 has 12 divisors (see below), whose sum is σ = 123787098820. Its totient is φ = 35352768960.

The previous prime is 70720511471. The next prime is 70720511497. The reversal of 70720511476 is 67411502707.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3779298576 + 66941212900 = 61476^2 + 258730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70720511471) 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, 1850415 + ... + 1888246.

Almost surely, 2^70720511476 is an apocalyptic number.

It is an amenable number.

70720511476 is a deficient number, since it is larger than the sum of its proper divisors (53066587344).

70720511476 is a wasteful number, since it uses less digits than its factorization.

70720511476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743394 (or 3743392 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 70720511476 in words is "seventy billion, seven hundred twenty million, five hundred eleven thousand, four hundred seventy-six".