68259402 has 16 divisors (see below), whose sum is σ = 151687680. Its totient is φ = 22753116.

The previous prime is 68259371. The next prime is 68259421. The reversal of 68259402 is 20495286.

It is a happy number.

68259402 is a `hidden beast` number, since 68 + 2 + 594 + 0 + 2 = 666.

It is a super-2 number, since 2×68259402² = 9318691922795208, which contains 22 as substring.

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, 631978 + ... + 632085.

It is an arithmetic number, because the mean of its divisors is an integer number (9480480).

Almost surely, 2^68259402 is an apocalyptic number.

68259402 is an abundant number, since it is smaller than the sum of its proper divisors (83428278).

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

68259402 is a wasteful number, since it uses less digits than its factorization.

68259402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264074 (or 1264068 counting only the distinct ones).

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

The square root of 68259402 is about 8261.9248362594. The cubic root of 68259402 is about 408.6838660785.

The spelling of 68259402 in words is "sixty-eight million, two hundred fifty-nine thousand, four hundred two".