68942025 has 36 divisors (see below), whose sum is σ = 124478640. Its totient is φ = 36472800.

The previous prime is 68942009. The next prime is 68942039. The reversal of 68942025 is 52024986.

It is a happy number.

It is not a de Polignac number, because 68942025 - 2⁴ = 68942009 is a prime.

It is a super-2 number, since 2×68942025² = 9506005622201250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28306 + ... + 30644.

It is an arithmetic number, because the mean of its divisors is an integer number (3457740).

Almost surely, 2^68942025 is an apocalyptic number.

It is an amenable number.

68942025 is a deficient number, since it is larger than the sum of its proper divisors (55536615).

68942025 is a wasteful number, since it uses less digits than its factorization.

68942025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68942025 is about 8303.1334446702. The cubic root of 68942025 is about 410.0416872148.

The spelling of 68942025 in words is "sixty-eight million, nine hundred forty-two thousand, twenty-five".