47428564 has 12 divisors (see below), whose sum is σ = 83114388. Its totient is φ = 23681600.

The previous prime is 47428529. The next prime is 47428571. The reversal of 47428564 is 46582474.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4656964 + 42771600 = 2158^2 + 6540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (6926199).

Almost surely, 2^47428564 is an apocalyptic number.

It is an amenable number.

47428564 is a deficient number, since it is larger than the sum of its proper divisors (35685824).

47428564 is a wasteful number, since it uses less digits than its factorization.

47428564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16346 (or 16344 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 47428564 is about 6886.8399139228. The cubic root of 47428564 is about 361.9761794608.

The spelling of 47428564 in words is "forty-seven million, four hundred twenty-eight thousand, five hundred sixty-four".