72434575 has 18 divisors (see below), whose sum is σ = 92014944. Its totient is φ = 56563920.

The previous prime is 72434573. The next prime is 72434587. The reversal of 72434575 is 57543427.

It is a happy number.

It is not a de Polignac number, because 72434575 - 2¹ = 72434573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72434573) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45442 + ... + 47008.

Almost surely, 2^72434575 is an apocalyptic number.

72434575 is a deficient number, since it is larger than the sum of its proper divisors (19580369).

72434575 is a wasteful number, since it uses less digits than its factorization.

72434575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1615 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 72434575 is about 8510.8504275425. The cubic root of 72434575 is about 416.8520792587.

The spelling of 72434575 in words is "seventy-two million, four hundred thirty-four thousand, five hundred seventy-five".