67374631 has 4 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 67357264.

The previous prime is 67374623. The next prime is 67374649. The reversal of 67374631 is 13647376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67374631 - 2³ = 67374623 is a prime.

It is a super-2 number, since 2×67374631² = 9078681804772322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67374661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 11608.

It is an arithmetic number, because the mean of its divisors is an integer number (16848000).

Almost surely, 2^67374631 is an apocalyptic number.

67374631 is a deficient number, since it is larger than the sum of its proper divisors (17369).

67374631 is a wasteful number, since it uses less digits than its factorization.

67374631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368.

The product of its digits is 63504, while the sum is 37.

The square root of 67374631 is about 8208.2051022133. The cubic root of 67374631 is about 406.9104093603.

The spelling of 67374631 in words is "sixty-seven million, three hundred seventy-four thousand, six hundred thirty-one".