68152740 has 24 divisors (see below), whose sum is σ = 190827840. Its totient is φ = 18174048.

The previous prime is 68152723. The next prime is 68152759. The reversal of 68152740 is 4725186.

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, 567880 + ... + 567999.

It is an arithmetic number, because the mean of its divisors is an integer number (7951160).

Almost surely, 2^68152740 is an apocalyptic number.

68152740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68152740 is an abundant number, since it is smaller than the sum of its proper divisors (122675100).

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

68152740 is a wasteful number, since it uses less digits than its factorization.

68152740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135891 (or 1135889 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 68152740 is about 8255.4672793247. The cubic root of 68152740 is about 408.4708855851.

The spelling of 68152740 in words is "sixty-eight million, one hundred fifty-two thousand, seven hundred forty".