67442328 has 32 divisors (see below), whose sum is σ = 187340400. Its totient is φ = 22480704.

The previous prime is 67442311. The next prime is 67442339. The reversal of 67442328 is 82324476.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 67442292 and 67442301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155901 + ... + 156332.

Almost surely, 2^67442328 is an apocalyptic number.

It is an amenable number.

67442328 is an abundant number, since it is smaller than the sum of its proper divisors (119898072).

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

67442328 is a wasteful number, since it uses less digits than its factorization.

67442328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312248 (or 312238 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 67442328 is about 8212.3278064140. The cubic root of 67442328 is about 407.0466495276.

The spelling of 67442328 in words is "sixty-seven million, four hundred forty-two thousand, three hundred twenty-eight".