68015460 has 24 divisors (see below), whose sum is σ = 190443456. Its totient is φ = 18137440.

The previous prime is 68015449. The next prime is 68015461. The reversal of 68015460 is 6451086.

It is a super-2 number, since 2×68015460² = 9252205598023200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (68015461) 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, 566736 + ... + 566855.

It is an arithmetic number, because the mean of its divisors is an integer number (7935144).

Almost surely, 2^68015460 is an apocalyptic number.

68015460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68015460 is an abundant number, since it is smaller than the sum of its proper divisors (122427996).

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

68015460 is a wasteful number, since it uses less digits than its factorization.

68015460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133603 (or 1133601 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68015460 is about 8247.1485981520. The cubic root of 68015460 is about 408.1964403909.

The spelling of 68015460 in words is "sixty-eight million, fifteen thousand, four hundred sixty".