73868531 has 8 divisors (see below), whose sum is σ = 81950400. Its totient is φ = 66014440.

The previous prime is 73868513. The next prime is 73868533. The reversal of 73868531 is 13586837.

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

It is a cyclic number.

It is not a de Polignac number, because 73868531 - 2¹⁴ = 73852147 is a prime.

It is a super-2 number, since 2×73868531² = 10913119744195922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73868533) 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, 56261 + ... + 57558.

It is an arithmetic number, because the mean of its divisors is an integer number (10243800).

Almost surely, 2^73868531 is an apocalyptic number.

73868531 is a deficient number, since it is larger than the sum of its proper divisors (8081869).

73868531 is a wasteful number, since it uses less digits than its factorization.

73868531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113889.

The product of its digits is 120960, while the sum is 41.

The square root of 73868531 is about 8594.6803896364. The cubic root of 73868531 is about 419.5848713785.

The spelling of 73868531 in words is "seventy-three million, eight hundred sixty-eight thousand, five hundred thirty-one".