72629975 has 24 divisors (see below), whose sum is σ = 102529152. Its totient is φ = 50520800.

The previous prime is 72629957. The next prime is 72629987. The reversal of 72629975 is 57992627.

It is a happy number.

It is not a de Polignac number, because 72629975 - 2¹² = 72625879 is a prime.

It is a super-2 number, since 2×72629975² = 10550226537001250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (4272048).

Almost surely, 2^72629975 is an apocalyptic number.

72629975 is a deficient number, since it is larger than the sum of its proper divisors (29899177).

72629975 is a wasteful number, since it uses less digits than its factorization.

72629975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527 (or 11522 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 72629975 is about 8522.3221600688. The cubic root of 72629975 is about 417.2265770416.

The spelling of 72629975 in words is "seventy-two million, six hundred twenty-nine thousand, nine hundred seventy-five".