68421752 has 32 divisors (see below), whose sum is σ = 147302400. Its totient is φ = 29186784.

The previous prime is 68421733. The next prime is 68421761. The reversal of 68421752 is 25712486.

It is a super-2 number, since 2×68421752² = 9363072293499008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9749 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (4603200).

Almost surely, 2^68421752 is an apocalyptic number.

It is an amenable number.

68421752 is an abundant number, since it is smaller than the sum of its proper divisors (78880648).

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

68421752 is a wasteful number, since it uses less digits than its factorization.

68421752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5711 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 68421752 is about 8271.7441933367. The cubic root of 68421752 is about 409.0076177785.

The spelling of 68421752 in words is "sixty-eight million, four hundred twenty-one thousand, seven hundred fifty-two".