47603640 has 64 divisors (see below), whose sum is σ = 163215360. Its totient is φ = 10880640.

The previous prime is 47603627. The next prime is 47603641. The reversal of 47603640 is 4630674.

It is a super-2 number, since 2×47603640² = 4532213082499200, which contains 22 as substring.

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 = 47603598 and 47603607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47603641) 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, 27496 + ... + 29175.

It is an arithmetic number, because the mean of its divisors is an integer number (2550240).

Almost surely, 2^47603640 is an apocalyptic number.

47603640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47603640 is an abundant number, since it is smaller than the sum of its proper divisors (115611720).

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

47603640 is a wasteful number, since it uses less digits than its factorization.

47603640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56692 (or 56688 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 47603640 is about 6899.5391150424. The cubic root of 47603640 is about 362.4210275847.

The spelling of 47603640 in words is "forty-seven million, six hundred three thousand, six hundred forty".