72075452572 has 12 divisors (see below), whose sum is σ = 126513107896. Its totient is φ = 35928850320.

The previous prime is 72075452539. The next prime is 72075452573. The reversal of 72075452572 is 27525457027.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72075452573) 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, 27217503 + ... + 27220150.

Almost surely, 2^72075452572 is an apocalyptic number.

It is an amenable number.

72075452572 is a deficient number, since it is larger than the sum of its proper divisors (54437655324).

72075452572 is a wasteful number, since it uses less digits than its factorization.

72075452572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54437988 (or 54437986 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 46.

The spelling of 72075452572 in words is "seventy-two billion, seventy-five million, four hundred fifty-two thousand, five hundred seventy-two".