47612680 has 32 divisors (see below), whose sum is σ = 107415000. Its totient is φ = 18994176.

The previous prime is 47612659. The next prime is 47612687. The reversal of 47612680 is 8621674.

It can be written as a sum of positive squares in 4 ways, for example, as 18301284 + 29311396 = 4278^2 + 5414^2 .

It is not an unprimeable number, because it can be changed into a prime (47612687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15946 + ... + 18694.

Almost surely, 2^47612680 is an apocalyptic number.

47612680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47612680 is an abundant number, since it is smaller than the sum of its proper divisors (59802320).

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

47612680 is a wasteful number, since it uses less digits than its factorization.

47612680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 47612680 is about 6900.1942001657. The cubic root of 47612680 is about 362.4439675582.

The spelling of 47612680 in words is "forty-seven million, six hundred twelve thousand, six hundred eighty".