68040372 has 12 divisors (see below), whose sum is σ = 158760896. Its totient is φ = 22680120.

The previous prime is 68040353. The next prime is 68040389. The reversal of 68040372 is 27304086.

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

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835004 + ... + 2835027.

Almost surely, 2^68040372 is an apocalyptic number.

It is an amenable number.

68040372 is an abundant number, since it is smaller than the sum of its proper divisors (90720524).

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

68040372 is a wasteful number, since it uses less digits than its factorization.

68040372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670038 (or 5670036 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 68040372 is about 8248.6588000717. The cubic root of 68040372 is about 408.2462709659.

The spelling of 68040372 in words is "sixty-eight million, forty thousand, three hundred seventy-two".