68975570 has 8 divisors (see below), whose sum is σ = 124156044. Its totient is φ = 27590224.

The previous prime is 68975549. The next prime is 68975581. The reversal of 68975570 is 7557986.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62710561 + 6265009 = 7919^2 + 2503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3448769 + ... + 3448788.

Almost surely, 2^68975570 is an apocalyptic number.

68975570 is a deficient number, since it is larger than the sum of its proper divisors (55180474).

68975570 is a wasteful number, since it uses less digits than its factorization.

68975570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897564.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 68975570 is about 8305.1532195379. The cubic root of 68975570 is about 410.1081808525.

The spelling of 68975570 in words is "sixty-eight million, nine hundred seventy-five thousand, five hundred seventy".