47002840 has 16 divisors (see below), whose sum is σ = 105756480. Its totient is φ = 18801120.

The previous prime is 47002829. The next prime is 47002873. The reversal of 47002840 is 4820074.

47002840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587496 + ... + 587575.

It is an arithmetic number, because the mean of its divisors is an integer number (6609780).

Almost surely, 2^47002840 is an apocalyptic number.

47002840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47002840 is an abundant number, since it is smaller than the sum of its proper divisors (58753640).

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

47002840 is a wasteful number, since it uses less digits than its factorization.

47002840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175082 (or 1175078 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 47002840 is about 6855.8617255601. The cubic root of 47002840 is about 360.8898767086.

The spelling of 47002840 in words is "forty-seven million, two thousand, eight hundred forty".