47148720 has 40 divisors (see below), whose sum is σ = 146161776. Its totient is φ = 12572928.

The previous prime is 47148707. The next prime is 47148733. The reversal of 47148720 is 2784174.

It is an interprime number because it is at equal distance from previous prime (47148707) and next prime (47148733).

It is a tau number, because it is divible by the number of its divisors (40).

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, 97987 + ... + 98466.

Almost surely, 2^47148720 is an apocalyptic number.

47148720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47148720 is an abundant number, since it is smaller than the sum of its proper divisors (99013056).

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

47148720 is a wasteful number, since it uses less digits than its factorization.

47148720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196469 (or 196463 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47148720 is about 6866.4925544269. The cubic root of 47148720 is about 361.2628488065.

The spelling of 47148720 in words is "forty-seven million, one hundred forty-eight thousand, seven hundred twenty".