72054601064 has 16 divisors (see below), whose sum is σ = 139761080100. Its totient is φ = 34784979712.

The previous prime is 72054601057. The next prime is 72054601067. The reversal of 72054601064 is 46010645027.

It can be written as a sum of positive squares in 2 ways, for example, as 64938328900 + 7116272164 = 254830^2 + 84358^2 .

It is not an unprimeable number, because it can be changed into a prime (72054601067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155289857 + ... + 155290320.

Almost surely, 2^72054601064 is an apocalyptic number.

It is an amenable number.

72054601064 is a deficient number, since it is larger than the sum of its proper divisors (67706479036).

72054601064 is a wasteful number, since it uses less digits than its factorization.

72054601064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310580212 (or 310580208 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 72054601064 in words is "seventy-two billion, fifty-four million, six hundred one thousand, sixty-four".