70736372615 has 12 divisors (see below), whose sum is σ = 90170519736. Its totient is φ = 53260326528.

The previous prime is 70736372611. The next prime is 70736372633. The reversal of 70736372615 is 51627363707.

It is not a de Polignac number, because 70736372615 - 2² = 70736372611 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 70736372615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70736372611) 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, 24474809 + ... + 24477698.

It is an arithmetic number, because the mean of its divisors is an integer number (7514209978).

Almost surely, 2^70736372615 is an apocalyptic number.

70736372615 is a deficient number, since it is larger than the sum of its proper divisors (19434147121).

70736372615 is a wasteful number, since it uses less digits than its factorization.

70736372615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48952546 (or 48952529 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 47.

The spelling of 70736372615 in words is "seventy billion, seven hundred thirty-six million, three hundred seventy-two thousand, six hundred fifteen".