68170946 has 16 divisors (see below), whose sum is σ = 107586360. Its totient is φ = 32353920.

The previous prime is 68170943. The next prime is 68170951. The reversal of 68170946 is 64907186.

It can be written as a sum of positive squares in 4 ways, for example, as 61795321 + 6375625 = 7861^2 + 2525^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (68170943) 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, 8201 + ... + 14268.

Almost surely, 2^68170946 is an apocalyptic number.

68170946 is a deficient number, since it is larger than the sum of its proper divisors (39415414).

68170946 is a wasteful number, since it uses less digits than its factorization.

68170946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22549.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68170946 is about 8256.5698688983. The cubic root of 68170946 is about 408.5072546724.

The spelling of 68170946 in words is "sixty-eight million, one hundred seventy thousand, nine hundred forty-six".