68217432 has 64 divisors (see below), whose sum is σ = 174636000. Its totient is φ = 22201344.

The previous prime is 68217431. The next prime is 68217463. The reversal of 68217432 is 23471286.

It is a junction number, because it is equal to n+sod(n) for n = 68217393 and 68217402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68217431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232678 + ... + 232970.

Almost surely, 2^68217432 is an apocalyptic number.

It is an amenable number.

68217432 is an abundant number, since it is smaller than the sum of its proper divisors (106418568).

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

68217432 is a wasteful number, since it uses less digits than its factorization.

68217432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 496 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 68217432 is about 8259.3844806983. The cubic root of 68217432 is about 408.6000877367.

The spelling of 68217432 in words is "sixty-eight million, two hundred seventeen thousand, four hundred thirty-two".