72038510400 has 84 divisors (see below), whose sum is σ = 236346361952. Its totient is φ = 19210268160.

The previous prime is 72038510389. The next prime is 72038510413. The reversal of 72038510400 is 401583027.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7499212 + ... + 7508811.

Almost surely, 2^72038510400 is an apocalyptic number.

It is an amenable number.

72038510400 is an abundant number, since it is smaller than the sum of its proper divisors (164307851552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72038510400 is a wasteful number, since it uses less digits than its factorization.

72038510400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008048 (or 15008033 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 72038510400 in words is "seventy-two billion, thirty-eight million, five hundred ten thousand, four hundred".