67428632 has 16 divisors (see below), whose sum is σ = 126572760. Its totient is φ = 33675904.

The previous prime is 67428611. The next prime is 67428643. The reversal of 67428632 is 23682476.

It is a congruent number.

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, 3503 + ... + 12129.

Almost surely, 2^67428632 is an apocalyptic number.

It is an amenable number.

67428632 is a deficient number, since it is larger than the sum of its proper divisors (59144128).

67428632 is a wasteful number, since it uses less digits than its factorization.

67428632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610 (or 9606 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 67428632 is about 8211.4938957537. The cubic root of 67428632 is about 407.0190936958.

The spelling of 67428632 in words is "sixty-seven million, four hundred twenty-eight thousand, six hundred thirty-two".