67427404 has 24 divisors (see below), whose sum is σ = 129297168. Its totient is φ = 30512640.

The previous prime is 67427401. The next prime is 67427413. The reversal of 67427404 is 40472476.

It is a self number, because there is not a number n which added to its sum of digits gives 67427404.

It is not an unprimeable number, because it can be changed into a prime (67427401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (5387382).

Almost surely, 2^67427404 is an apocalyptic number.

It is an amenable number.

67427404 is a deficient number, since it is larger than the sum of its proper divisors (61869764).

67427404 is a wasteful number, since it uses less digits than its factorization.

67427404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 67427404 is about 8211.4191221737. The cubic root of 67427404 is about 407.0166228242.

The spelling of 67427404 in words is "sixty-seven million, four hundred twenty-seven thousand, four hundred four".