67990374 has 16 divisors (see below), whose sum is σ = 151089840. Its totient is φ = 22663440.

The previous prime is 67990367. The next prime is 67990387. The reversal of 67990374 is 47309976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629487 + ... + 629594.

It is an arithmetic number, because the mean of its divisors is an integer number (9443115).

Almost surely, 2^67990374 is an apocalyptic number.

67990374 is an abundant number, since it is smaller than the sum of its proper divisors (83099466).

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

67990374 is a wasteful number, since it uses less digits than its factorization.

67990374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259092 (or 1259086 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 67990374 is about 8245.6275685966. The cubic root of 67990374 is about 408.1462494731.

The spelling of 67990374 in words is "sixty-seven million, nine hundred ninety thousand, three hundred seventy-four".