72400370654 has 16 divisors (see below), whose sum is σ = 108725276160. Its totient is φ = 36158638080.

The previous prime is 72400370641. The next prime is 72400370657. The reversal of 72400370654 is 45607300427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72400370657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8194019 + ... + 8202849.

It is an arithmetic number, because the mean of its divisors is an integer number (6795329760).

Almost surely, 2^72400370654 is an apocalyptic number.

72400370654 is a deficient number, since it is larger than the sum of its proper divisors (36324905506).

72400370654 is a wasteful number, since it uses less digits than its factorization.

72400370654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 72400370654 in words is "seventy-two billion, four hundred million, three hundred seventy thousand, six hundred fifty-four".