67431996 has 36 divisors (see below), whose sum is σ = 180481392. Its totient is φ = 21154944.

The previous prime is 67431967. The next prime is 67432031. The reversal of 67431996 is 69913476.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54480 + ... + 55703.

It is an arithmetic number, because the mean of its divisors is an integer number (5013372).

Almost surely, 2^67431996 is an apocalyptic number.

It is an amenable number.

67431996 is an abundant number, since it is smaller than the sum of its proper divisors (113049396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67431996 is a wasteful number, since it uses less digits than its factorization.

67431996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110210 (or 110205 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 67431996 is about 8211.6987280343. The cubic root of 67431996 is about 407.0258622817.

The spelling of 67431996 in words is "sixty-seven million, four hundred thirty-one thousand, nine hundred ninety-six".