67813974 has 24 divisors (see below), whose sum is σ = 147248712. Its totient is φ = 22555680.

The previous prime is 67813943. The next prime is 67813979. The reversal of 67813974 is 47931876.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67813979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5002 + ... + 12674.

It is an arithmetic number, because the mean of its divisors is an integer number (6135363).

Almost surely, 2^67813974 is an apocalyptic number.

67813974 is an abundant number, since it is smaller than the sum of its proper divisors (79434738).

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

67813974 is a wasteful number, since it uses less digits than its factorization.

67813974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172 (or 8169 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 67813974 is about 8234.9240433655. The cubic root of 67813974 is about 407.7929673386.

The spelling of 67813974 in words is "sixty-seven million, eight hundred thirteen thousand, nine hundred seventy-four".