47183480 has 32 divisors (see below), whose sum is σ = 107967600. Its totient is φ = 18552576.

The previous prime is 47183471. The next prime is 47183503. The reversal of 47183480 is 8438174.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47183480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7637 + ... + 12356.

Almost surely, 2^47183480 is an apocalyptic number.

47183480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47183480 is an abundant number, since it is smaller than the sum of its proper divisors (60784120).

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

47183480 is a wasteful number, since it uses less digits than its factorization.

47183480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 47183480 is about 6869.0232202257. The cubic root of 47183480 is about 361.3516063374.

The spelling of 47183480 in words is "forty-seven million, one hundred eighty-three thousand, four hundred eighty".