68937570 has 48 divisors (see below), whose sum is σ = 193028472. Its totient is φ = 16968960.

The previous prime is 68937569. The next prime is 68937581. The reversal of 68937570 is 7573986.

68937570 = 52² + 53² + ... + 591².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34609689 + 34327881 = 5883^2 + 5859^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28291 + ... + 30630.

Almost surely, 2^68937570 is an apocalyptic number.

68937570 is an abundant number, since it is smaller than the sum of its proper divisors (124090902).

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

68937570 is a wasteful number, since it uses less digits than its factorization.

68937570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947 (or 58944 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 68937570 is about 8302.8651681212. The cubic root of 68937570 is about 410.0328547933.

The spelling of 68937570 in words is "sixty-eight million, nine hundred thirty-seven thousand, five hundred seventy".