72957451929 has 16 divisors (see below), whose sum is σ = 102404527680. Its totient is φ = 46074744000.

The previous prime is 72957451907. The next prime is 72957451933. The reversal of 72957451929 is 92915475927.

It is not a de Polignac number, because 72957451929 - 2¹² = 72957447833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72957455929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800179 + ... + 886679.

It is an arithmetic number, because the mean of its divisors is an integer number (6400282980).

Almost surely, 2^72957451929 is an apocalyptic number.

It is an amenable number.

72957451929 is a deficient number, since it is larger than the sum of its proper divisors (29447075751).

72957451929 is a wasteful number, since it uses less digits than its factorization.

72957451929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101320.

The product of its digits is 14288400, while the sum is 60.

The spelling of 72957451929 in words is "seventy-two billion, nine hundred fifty-seven million, four hundred fifty-one thousand, nine hundred twenty-nine".