73890131 has 8 divisors (see below), whose sum is σ = 84649824. Its totient is φ = 63181440.

The previous prime is 73890121. The next prime is 73890137. The reversal of 73890131 is 13109837.

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

It is not a de Polignac number, because 73890131 - 2¹⁰ = 73889107 is a prime.

It is a super-2 number, since 2×73890131² = 10919502918394322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73890137) 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, 9590 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (10581228).

Almost surely, 2^73890131 is an apocalyptic number.

73890131 is a deficient number, since it is larger than the sum of its proper divisors (10759693).

73890131 is a wasteful number, since it uses less digits than its factorization.

73890131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25501.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 73890131 is about 8595.9368890191. The cubic root of 73890131 is about 419.6257645250.

Adding to 73890131 its reverse (13109837), we get a palindrome (86999968).

The spelling of 73890131 in words is "seventy-three million, eight hundred ninety thousand, one hundred thirty-one".