72395739574 has 16 divisors (see below), whose sum is σ = 109680659712. Its totient is φ = 35835729768.

The previous prime is 72395739569. The next prime is 72395739649. The reversal of 72395739574 is 47593759327.

It is a happy number.

It is a super-2 number, since 2×72395739574² (a number of 23 digits) contains 22 as substring.

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, 662637 + ... + 764119.

It is an arithmetic number, because the mean of its divisors is an integer number (6855041232).

Almost surely, 2^72395739574 is an apocalyptic number.

72395739574 is a deficient number, since it is larger than the sum of its proper divisors (37284920138).

72395739574 is a wasteful number, since it uses less digits than its factorization.

72395739574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105051.

The product of its digits is 50009400, while the sum is 61.

The spelling of 72395739574 in words is "seventy-two billion, three hundred ninety-five million, seven hundred thirty-nine thousand, five hundred seventy-four".