68877472 has 24 divisors (see below), whose sum is σ = 143580276. Its totient is φ = 32412672.

The previous prime is 68877463. The next prime is 68877491. The reversal of 68877472 is 27477886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67963536 + 913936 = 8244^2 + 956^2 .

It is a super-2 number, since 2×68877472² = 9488212298221568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62763 + ... + 63850.

Almost surely, 2^68877472 is an apocalyptic number.

It is an amenable number.

68877472 is an abundant number, since it is smaller than the sum of its proper divisors (74702804).

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

68877472 is a wasteful number, since it uses less digits than its factorization.

68877472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126640 (or 126632 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The square root of 68877472 is about 8299.2452668902. The cubic root of 68877472 is about 409.9136681206.

The spelling of 68877472 in words is "sixty-eight million, eight hundred seventy-seven thousand, four hundred seventy-two".