72520673716 has 24 divisors (see below), whose sum is σ = 133632013760. Its totient is φ = 34341278400.

The previous prime is 72520673653. The next prime is 72520673741. The reversal of 72520673716 is 61737602527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102736 + ... + 394456.

Almost surely, 2^72520673716 is an apocalyptic number.

72520673716 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72520673716 is a deficient number, since it is larger than the sum of its proper divisors (61111340044).

72520673716 is a wasteful number, since it uses less digits than its factorization.

72520673716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295015 (or 295013 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 72520673716 in words is "seventy-two billion, five hundred twenty million, six hundred seventy-three thousand, seven hundred sixteen".