72831954 has 32 divisors (see below), whose sum is σ = 159030144. Its totient is φ = 22101120.

The previous prime is 72831953. The next prime is 72831971. The reversal of 72831954 is 45913827.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (72831953) 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, 702 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (4969692).

Almost surely, 2^72831954 is an apocalyptic number.

72831954 is an abundant number, since it is smaller than the sum of its proper divisors (86198190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72831954 is a wasteful number, since it uses less digits than its factorization.

72831954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882.

The product of its digits is 60480, while the sum is 39.

The square root of 72831954 is about 8534.1639309308. The cubic root of 72831954 is about 417.6129786156.

The spelling of 72831954 in words is "seventy-two million, eight hundred thirty-one thousand, nine hundred fifty-four".