47718040 has 16 divisors (see below), whose sum is σ = 107365680. Its totient is φ = 19087200.

The previous prime is 47718037. The next prime is 47718053. The reversal of 47718040 is 4081774.

It is a super-2 number, since 2×47718040² = 4554022682883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47717993 and 47718011.

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, 596436 + ... + 596515.

It is an arithmetic number, because the mean of its divisors is an integer number (6710355).

Almost surely, 2^47718040 is an apocalyptic number.

47718040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47718040 is an abundant number, since it is smaller than the sum of its proper divisors (59647640).

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

47718040 is a wasteful number, since it uses less digits than its factorization.

47718040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192962 (or 1192958 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 47718040 is about 6907.8245490169. The cubic root of 47718040 is about 362.7111160257.

The spelling of 47718040 in words is "forty-seven million, seven hundred eighteen thousand, forty".