72529955 has 8 divisors (see below), whose sum is σ = 87210000. Its totient is φ = 57907936.

The previous prime is 72529931. The next prime is 72529967. The reversal of 72529955 is 55992527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72529955 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 7 ways as a sum of consecutive naturals, for example, 11705 + ... + 16794.

It is an arithmetic number, because the mean of its divisors is an integer number (10901250).

Almost surely, 2^72529955 is an apocalyptic number.

72529955 is a deficient number, since it is larger than the sum of its proper divisors (14680045).

72529955 is a wasteful number, since it uses less digits than its factorization.

72529955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29013.

The product of its digits is 283500, while the sum is 44.

The square root of 72529955 is about 8516.4520194738. The cubic root of 72529955 is about 417.0349657358.

The spelling of 72529955 in words is "seventy-two million, five hundred twenty-nine thousand, nine hundred fifty-five".