67402080 has 72 divisors (see below), whose sum is σ = 230014512. Its totient is φ = 17973504.

The previous prime is 67402057. The next prime is 67402109. The reversal of 67402080 is 8020476.

It is a tau number, because it is divible by the number of its divisors (72).

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, 21964 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (3194646).

Almost surely, 2^67402080 is an apocalyptic number.

67402080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67402080 is an abundant number, since it is smaller than the sum of its proper divisors (162612432).

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

67402080 is a wasteful number, since it uses less digits than its factorization.

67402080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46828 (or 46817 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 67402080 is about 8209.8769783718. The cubic root of 67402080 is about 406.9656614494.

The spelling of 67402080 in words is "sixty-seven million, four hundred two thousand, eighty".