68120472 has 64 divisors (see below), whose sum is σ = 204883200. Its totient is φ = 18437760.

The previous prime is 68120467. The next prime is 68120477. The reversal of 68120472 is 27402186.

It is an interprime number because it is at equal distance from previous prime (68120467) and next prime (68120477).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68120477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479 + ... + 13862.

It is an arithmetic number, because the mean of its divisors is an integer number (3201300).

Almost surely, 2^68120472 is an apocalyptic number.

It is an amenable number.

68120472 is an abundant number, since it is smaller than the sum of its proper divisors (136762728).

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

68120472 is a wasteful number, since it uses less digits than its factorization.

68120472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376 (or 21372 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 68120472 is about 8253.5127067207. The cubic root of 68120472 is about 408.4064097266.

The spelling of 68120472 in words is "sixty-eight million, one hundred twenty thousand, four hundred seventy-two".