47708040 has 32 divisors (see below), whose sum is σ = 143124480. Its totient is φ = 12722112.

The previous prime is 47708033. The next prime is 47708077. The reversal of 47708040 is 4080774.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47707989 and 47708007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198664 + ... + 198903.

It is an arithmetic number, because the mean of its divisors is an integer number (4472640).

Almost surely, 2^47708040 is an apocalyptic number.

47708040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47708040 is an abundant number, since it is smaller than the sum of its proper divisors (95416440).

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

47708040 is a wasteful number, since it uses less digits than its factorization.

47708040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397581 (or 397577 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 47708040 is about 6907.1006942132. The cubic root of 47708040 is about 362.6857771492.

The spelling of 47708040 in words is "forty-seven million, seven hundred eight thousand, forty".