72832881 has 16 divisors (see below), whose sum is σ = 110545920. Its totient is φ = 42221520.

The previous prime is 72832847. The next prime is 72832889. The reversal of 72832881 is 18823827.

It is not a de Polignac number, because 72832881 - 2¹⁵ = 72800113 is a prime.

It is a super-2 number, since 2×72832881² = 10609257109520322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72832889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47221 + ... + 48738.

It is an arithmetic number, because the mean of its divisors is an integer number (6909120).

Almost surely, 2^72832881 is an apocalyptic number.

It is an amenable number.

72832881 is a deficient number, since it is larger than the sum of its proper divisors (37713039).

72832881 is a wasteful number, since it uses less digits than its factorization.

72832881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95996.

The product of its digits is 43008, while the sum is 39.

The square root of 72832881 is about 8534.2182418778. The cubic root of 72832881 is about 417.6147503910.

The spelling of 72832881 in words is "seventy-two million, eight hundred thirty-two thousand, eight hundred eighty-one".