47075644 has 24 divisors (see below), whose sum is σ = 102711168. Its totient is φ = 18341040.

The previous prime is 47075621. The next prime is 47075647. The reversal of 47075644 is 44657074.

47075644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47075644² = 4432232516029472, which contains 22 as substring.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47075647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76114 + ... + 76729.

It is an arithmetic number, because the mean of its divisors is an integer number (4279632).

Almost surely, 2^47075644 is an apocalyptic number.

47075644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47075644 is an abundant number, since it is smaller than the sum of its proper divisors (55635524).

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

47075644 is a wasteful number, since it uses less digits than its factorization.

47075644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152865 (or 152863 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 47075644 is about 6861.1692881024. The cubic root of 47075644 is about 361.0761113604.

The spelling of 47075644 in words is "forty-seven million, seventy-five thousand, six hundred forty-four".