72429575 has 12 divisors (see below), whose sum is σ = 92004528. Its totient is φ = 56529600.

The previous prime is 72429569. The next prime is 72429583. The reversal of 72429575 is 57592427.

It is not a de Polignac number, because 72429575 - 2⁸ = 72429319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34307 + ... + 36356.

It is an arithmetic number, because the mean of its divisors is an integer number (7667044).

Almost surely, 2^72429575 is an apocalyptic number.

72429575 is a deficient number, since it is larger than the sum of its proper divisors (19574953).

72429575 is a wasteful number, since it uses less digits than its factorization.

72429575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70714 (or 70709 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 72429575 is about 8510.5566797948. The cubic root of 72429575 is about 416.8424875762.

The spelling of 72429575 in words is "seventy-two million, four hundred twenty-nine thousand, five hundred seventy-five".