67481372 has 24 divisors (see below), whose sum is σ = 137178720. Its totient is φ = 28445760.

The previous prime is 67481371. The next prime is 67481413. The reversal of 67481372 is 27318476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67481371) 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, 18047 + ... + 21462.

It is an arithmetic number, because the mean of its divisors is an integer number (5715780).

Almost surely, 2^67481372 is an apocalyptic number.

It is an amenable number.

67481372 is an abundant number, since it is smaller than the sum of its proper divisors (69697348).

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

67481372 is a wasteful number, since it uses less digits than its factorization.

67481372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39581 (or 39579 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 67481372 is about 8214.7046203744. The cubic root of 67481372 is about 407.1251841015.

The spelling of 67481372 in words is "sixty-seven million, four hundred eighty-one thousand, three hundred seventy-two".