67400304 has 40 divisors (see below), whose sum is σ = 181690752. Its totient is φ = 21489600.

The previous prime is 67400287. The next prime is 67400309. The reversal of 67400304 is 40300476.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67400309) 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, 29422 + ... + 31629.

Almost surely, 2^67400304 is an apocalyptic number.

It is an amenable number.

67400304 is an abundant number, since it is smaller than the sum of its proper divisors (114290448).

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

67400304 is a wasteful number, since it uses less digits than its factorization.

67400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61085 (or 61079 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 67400304 is about 8209.7688152591. The cubic root of 67400304 is about 406.9620869932.

The spelling of 67400304 in words is "sixty-seven million, four hundred thousand, three hundred four".