47402445 has 16 divisors (see below), whose sum is σ = 76628160. Its totient is φ = 25019904.

The previous prime is 47402393. The next prime is 47402479. The reversal of 47402445 is 54420474.

It is not a de Polignac number, because 47402445 - 2¹³ = 47394253 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14835 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (4789260).

Almost surely, 2^47402445 is an apocalyptic number.

It is an amenable number.

47402445 is a deficient number, since it is larger than the sum of its proper divisors (29225715).

47402445 is a wasteful number, since it uses less digits than its factorization.

47402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32684.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 47402445 is about 6884.9433548868. The cubic root of 47402445 is about 361.9097202705.

The spelling of 47402445 in words is "forty-seven million, four hundred two thousand, four hundred forty-five".