72939962 has 16 divisors (see below), whose sum is σ = 119584512. Its totient is φ = 33216960.

The previous prime is 72939961. The next prime is 72939967. The reversal of 72939962 is 26993927.

It is a super-2 number, since 2×72939962² = 10640476113122888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72939961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33548 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (7474032).

Almost surely, 2^72939962 is an apocalyptic number.

72939962 is a deficient number, since it is larger than the sum of its proper divisors (46644550).

72939962 is a wasteful number, since it uses less digits than its factorization.

72939962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69253.

The product of its digits is 367416, while the sum is 47.

The square root of 72939962 is about 8540.4895644219. The cubic root of 72939962 is about 417.8193132515.

The spelling of 72939962 in words is "seventy-two million, nine hundred thirty-nine thousand, nine hundred sixty-two".