67934531 has 6 divisors (see below), whose sum is σ = 79025940. Its totient is φ = 58229556.

The previous prime is 67934521. The next prime is 67934543. The reversal of 67934531 is 13543976.

It is a happy number.

It is not a de Polignac number, because 67934531 - 2⁶ = 67934467 is a prime.

It is a super-2 number, since 2×67934531² = 9230201004379922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67934521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693161 + ... + 693258.

It is an arithmetic number, because the mean of its divisors is an integer number (13170990).

Almost surely, 2^67934531 is an apocalyptic number.

67934531 is a deficient number, since it is larger than the sum of its proper divisors (11091409).

67934531 is a wasteful number, since it uses less digits than its factorization.

67934531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386433 (or 1386426 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 67934531 is about 8242.2406540940. The cubic root of 67934531 is about 408.0344770141.

The spelling of 67934531 in words is "sixty-seven million, nine hundred thirty-four thousand, five hundred thirty-one".