68645232 has 50 divisors (see below), whose sum is σ = 198682968. Its totient is φ = 22881312.

The previous prime is 68645221. The next prime is 68645273. The reversal of 68645232 is 23254686.

68645232 is a `hidden beast` number, since 6 + 8 + 645 + 2 + 3 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25188 + ... + 27779.

Almost surely, 2^68645232 is an apocalyptic number.

It is an amenable number.

68645232 is an abundant number, since it is smaller than the sum of its proper divisors (130037736).

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

68645232 is a wasteful number, since it uses less digits than its factorization.

68645232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52987 (or 52972 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 68645232 is about 8285.2418190419. The cubic root of 68645232 is about 409.4524358071.

The spelling of 68645232 in words is "sixty-eight million, six hundred forty-five thousand, two hundred thirty-two".