67650408 has 48 divisors (see below), whose sum is σ = 209395680. Its totient is φ = 19328544.

The previous prime is 67650377. The next prime is 67650491. The reversal of 67650408 is 80405676.

It is a happy number.

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

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, 66610 + ... + 67617.

It is an arithmetic number, because the mean of its divisors is an integer number (4362410).

Almost surely, 2^67650408 is an apocalyptic number.

It is an amenable number.

67650408 is an abundant number, since it is smaller than the sum of its proper divisors (141745272).

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

67650408 is a wasteful number, since it uses less digits than its factorization.

67650408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134246 (or 134239 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 67650408 is about 8224.9868085001. The cubic root of 67650408 is about 407.4648404558.

The spelling of 67650408 in words is "sixty-seven million, six hundred fifty thousand, four hundred eight".