73131207 has 16 divisors (see below), whose sum is σ = 99221760. Its totient is φ = 47902400.

The previous prime is 73131199. The next prime is 73131241. The reversal of 73131207 is 70213137.

It is a cyclic number.

It is not a de Polignac number, because 73131207 - 2³ = 73131199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73131407) 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, 110644 + ... + 111302.

It is an arithmetic number, because the mean of its divisors is an integer number (6201360).

Almost surely, 2^73131207 is an apocalyptic number.

73131207 is a deficient number, since it is larger than the sum of its proper divisors (26090553).

73131207 is a wasteful number, since it uses less digits than its factorization.

73131207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 73131207 is about 8551.6786071508. The cubic root of 73131207 is about 418.1841618088.

The spelling of 73131207 in words is "seventy-three million, one hundred thirty-one thousand, two hundred seven".