68263432 has 32 divisors (see below), whose sum is σ = 136818720. Its totient is φ = 31816960.

The previous prime is 68263427. The next prime is 68263439. The reversal of 68263432 is 23436286.

It is a super-2 number, since 2×68263432² = 9319792296837248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (68263439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12207 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (4275585).

Almost surely, 2^68263432 is an apocalyptic number.

It is an amenable number.

68263432 is an abundant number, since it is smaller than the sum of its proper divisors (68555288).

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

68263432 is a wasteful number, since it uses less digits than its factorization.

68263432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821 (or 4817 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 68263432 is about 8262.1687225571. The cubic root of 68263432 is about 408.6919087486.

The spelling of 68263432 in words is "sixty-eight million, two hundred sixty-three thousand, four hundred thirty-two".