67473920 has 40 divisors (see below), whose sum is σ = 161785404. Its totient is φ = 26988544.

The previous prime is 67473919. The next prime is 67473971. The reversal of 67473920 is 2937476.

It can be written as a sum of positive squares in 2 ways, for example, as 66324736 + 1149184 = 8144^2 + 1072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10619 + ... + 15738.

Almost surely, 2^67473920 is an apocalyptic number.

It is an amenable number.

67473920 is an abundant number, since it is smaller than the sum of its proper divisors (94311484).

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

67473920 is an equidigital number, since it uses as much as digits as its factorization.

67473920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26380 (or 26364 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 67473920 is about 8214.2510309827. The cubic root of 67473920 is about 407.1101972072.

The spelling of 67473920 in words is "sixty-seven million, four hundred seventy-three thousand, nine hundred twenty".