47578662 has 48 divisors (see below), whose sum is σ = 106479360. Its totient is φ = 15346800.

The previous prime is 47578649. The next prime is 47578669. The reversal of 47578662 is 26687574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47578669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75087 + ... + 75717.

It is an arithmetic number, because the mean of its divisors is an integer number (2218320).

Almost surely, 2^47578662 is an apocalyptic number.

47578662 is an abundant number, since it is smaller than the sum of its proper divisors (58900698).

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

47578662 is a wasteful number, since it uses less digits than its factorization.

47578662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 47578662 is about 6897.7287566271. The cubic root of 47578662 is about 362.3576281177.

The spelling of 47578662 in words is "forty-seven million, five hundred seventy-eight thousand, six hundred sixty-two".