47622445 has 8 divisors (see below), whose sum is σ = 61542936. Its totient is φ = 35167296.

The previous prime is 47622431. The next prime is 47622467. The reversal of 47622445 is 54422674.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 47596201 = 162^2 + 6899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47622445 - 2⁷ = 47622317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47622445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366262 + ... + 366391.

It is an arithmetic number, because the mean of its divisors is an integer number (7692867).

Almost surely, 2^47622445 is an apocalyptic number.

It is an amenable number.

47622445 is a deficient number, since it is larger than the sum of its proper divisors (13920491).

47622445 is a wasteful number, since it uses less digits than its factorization.

47622445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732671.

The product of its digits is 53760, while the sum is 34.

The square root of 47622445 is about 6900.9017526697. The cubic root of 47622445 is about 362.4687440352.

The spelling of 47622445 in words is "forty-seven million, six hundred twenty-two thousand, four hundred forty-five".