47400782 has 72 divisors (see below), whose sum is σ = 90541080. Its totient is φ = 18532800.

The previous prime is 47400781. The next prime is 47400791. The reversal of 47400782 is 28700474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47400781) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 777032 + ... + 777092.

It is an arithmetic number, because the mean of its divisors is an integer number (1257515).

Almost surely, 2^47400782 is an apocalyptic number.

47400782 is a deficient number, since it is larger than the sum of its proper divisors (43140298).

47400782 is a wasteful number, since it uses less digits than its factorization.

47400782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 47400782 is about 6884.8225830445. The cubic root of 47400782 is about 361.9054879789.

The spelling of 47400782 in words is "forty-seven million, four hundred thousand, seven hundred eighty-two".