68249892 has 12 divisors (see below), whose sum is σ = 159249776. Its totient is φ = 22749960.

The previous prime is 68249891. The next prime is 68249899. The reversal of 68249892 is 29894286.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68249891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2843734 + ... + 2843757.

Almost surely, 2^68249892 is an apocalyptic number.

It is an amenable number.

68249892 is an abundant number, since it is smaller than the sum of its proper divisors (90999884).

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

68249892 is a wasteful number, since it uses less digits than its factorization.

68249892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687498 (or 5687496 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 68249892 is about 8261.3492844692. The cubic root of 68249892 is about 408.6648857184.

The spelling of 68249892 in words is "sixty-eight million, two hundred forty-nine thousand, eight hundred ninety-two".