68499792 has 30 divisors (see below), whose sum is σ = 191704682. Its totient is φ = 22833216.

The previous prime is 68499787. The next prime is 68499799. The reversal of 68499792 is 29799486.

68499792 is a `hidden beast` number, since 68 + 499 + 7 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61402896 + 7096896 = 7836^2 + 2664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68499799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237703 + ... + 237990.

Almost surely, 2^68499792 is an apocalyptic number.

It is an amenable number.

68499792 is an abundant number, since it is smaller than the sum of its proper divisors (123204890).

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

68499792 is a wasteful number, since it uses less digits than its factorization.

68499792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475707 (or 475698 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 68499792 is about 8276.4601128743. The cubic root of 68499792 is about 409.1630597052.

It can be divided in two parts, 6849 and 9792, that added together give a square (16641 = 129²).

The spelling of 68499792 in words is "sixty-eight million, four hundred ninety-nine thousand, seven hundred ninety-two".