47274645 has 16 divisors (see below), whose sum is σ = 82516032. Its totient is φ = 22920960.

The previous prime is 47274613. The next prime is 47274653. The reversal of 47274645 is 54647274.

47274645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47274645 - 2⁵ = 47274613 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 143092 + ... + 143421.

It is an arithmetic number, because the mean of its divisors is an integer number (5157252).

Almost surely, 2^47274645 is an apocalyptic number.

It is an amenable number.

47274645 is a deficient number, since it is larger than the sum of its proper divisors (35241387).

47274645 is a wasteful number, since it uses less digits than its factorization.

47274645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286532.

The product of its digits is 188160, while the sum is 39.

The square root of 47274645 is about 6875.6559687058. The cubic root of 47274645 is about 361.5841836813.

The spelling of 47274645 in words is "forty-seven million, two hundred seventy-four thousand, six hundred forty-five".