47607640 has 32 divisors (see below), whose sum is σ = 107314560. Its totient is φ = 19008000.

The previous prime is 47607619. The next prime is 47607643. The reversal of 47607640 is 4670674.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47607596 and 47607605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47607643) 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, 39040 + ... + 40240.

It is an arithmetic number, because the mean of its divisors is an integer number (3353580).

Almost surely, 2^47607640 is an apocalyptic number.

47607640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47607640 is an abundant number, since it is smaller than the sum of its proper divisors (59706920).

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

47607640 is a wasteful number, since it uses less digits than its factorization.

47607640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 47607640 is about 6899.8289833879. The cubic root of 47607640 is about 362.4311783736.

The spelling of 47607640 in words is "forty-seven million, six hundred seven thousand, six hundred forty".