47644074 has 12 divisors (see below), whose sum is σ = 103228866. Its totient is φ = 15881352.

The previous prime is 47644061. The next prime is 47644097. The reversal of 47644074 is 47044674.

47644074 is a `hidden beast` number, since 4 + 7 + 644 + 0 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31843449 + 15800625 = 5643^2 + 3975^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1323429 + ... + 1323464.

Almost surely, 2^47644074 is an apocalyptic number.

47644074 is an abundant number, since it is smaller than the sum of its proper divisors (55584792).

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

47644074 is a wasteful number, since it uses less digits than its factorization.

47644074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646901 (or 2646898 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 47644074 is about 6902.4686888098. The cubic root of 47644074 is about 362.5236106698.

The spelling of 47644074 in words is "forty-seven million, six hundred forty-four thousand, seventy-four".