47272445 has 16 divisors (see below), whose sum is σ = 62275392. Its totient is φ = 34162560.

The previous prime is 47272417. The next prime is 47272451. The reversal of 47272445 is 54427274.

It is not a de Polignac number, because 47272445 - 2¹² = 47268349 is a prime.

It is a Duffinian 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, 6329 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (3892212).

Almost surely, 2^47272445 is an apocalyptic number.

It is an amenable number.

47272445 is a deficient number, since it is larger than the sum of its proper divisors (15002947).

47272445 is a wasteful number, since it uses less digits than its factorization.

47272445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its digits is 62720, while the sum is 35.

The square root of 47272445 is about 6875.4959821092. The cubic root of 47272445 is about 361.5785746313.

The spelling of 47272445 in words is "forty-seven million, two hundred seventy-two thousand, four hundred forty-five".