72454475 has 12 divisors (see below), whose sum is σ = 89949600. Its totient is φ = 57895200.

The previous prime is 72454427. The next prime is 72454483. The reversal of 72454475 is 57445427.

It is not a de Polignac number, because 72454475 - 2²⁶ = 5345611 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37790 + ... + 39660.

It is an arithmetic number, because the mean of its divisors is an integer number (7495800).

Almost surely, 2^72454475 is an apocalyptic number.

72454475 is a deficient number, since it is larger than the sum of its proper divisors (17495125).

72454475 is a wasteful number, since it uses less digits than its factorization.

72454475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3425 counting only the distinct ones).

The product of its digits is 156800, while the sum is 38.

The square root of 72454475 is about 8512.0194431169. The cubic root of 72454475 is about 416.8902497817.

The spelling of 72454475 in words is "seventy-two million, four hundred fifty-four thousand, four hundred seventy-five".