68442952 has 32 divisors (see below), whose sum is σ = 136711800. Its totient is φ = 32011264.

The previous prime is 68442949. The next prime is 68442961. The reversal of 68442952 is 25924486.

It can be written as a sum of positive squares in 4 ways, for example, as 65707236 + 2735716 = 8106^2 + 1654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22074 + ... + 24982.

Almost surely, 2^68442952 is an apocalyptic number.

It is an amenable number.

68442952 is a deficient number, since it is larger than the sum of its proper divisors (68268848).

68442952 is a wasteful number, since it uses less digits than its factorization.

68442952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3101 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 68442952 is about 8273.0255650518. The cubic root of 68442952 is about 409.0498561303.

The spelling of 68442952 in words is "sixty-eight million, four hundred forty-two thousand, nine hundred fifty-two".