72426475 has 12 divisors (see below), whose sum is σ = 97973640. Its totient is φ = 52673600.

The previous prime is 72426437. The next prime is 72426503. The reversal of 72426475 is 57462427.

It is a de Polignac number, because none of the positive numbers 2^k-72426475 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131410 + ... + 131959.

It is an arithmetic number, because the mean of its divisors is an integer number (8164470).

Almost surely, 2^72426475 is an apocalyptic number.

72426475 is a deficient number, since it is larger than the sum of its proper divisors (25547165).

72426475 is a wasteful number, since it uses less digits than its factorization.

72426475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263390 (or 263385 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 72426475 is about 8510.3745510994. The cubic root of 72426475 is about 416.8365405113.

The spelling of 72426475 in words is "seventy-two million, four hundred twenty-six thousand, four hundred seventy-five".