47428902 has 60 divisors (see below), whose sum is σ = 112302036. Its totient is φ = 14959080.

The previous prime is 47428897. The next prime is 47428933. The reversal of 47428902 is 20982474.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 58077 + ... + 58887.

Almost surely, 2^47428902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47428902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56151018).

47428902 is an abundant number, since it is smaller than the sum of its proper divisors (64873134).

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

47428902 is a wasteful number, since it uses less digits than its factorization.

47428902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 47428902 is about 6886.8644534360. The cubic root of 47428902 is about 361.9770393341.

The spelling of 47428902 in words is "forty-seven million, four hundred twenty-eight thousand, nine hundred two".