47622645 has 96 divisors (see below), whose sum is σ = 101587200. Its totient is φ = 20155392.

The previous prime is 47622643. The next prime is 47622647. The reversal of 47622645 is 54622674.

47622645 is a `hidden beast` number, since 4 + 7 + 6 + 2 + 2 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (47622643) and next prime (47622647).

It is not a de Polignac number, because 47622645 - 2¹ = 47622643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47622643) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 436851 + ... + 436959.

It is an arithmetic number, because the mean of its divisors is an integer number (1058200).

Almost surely, 2^47622645 is an apocalyptic number.

47622645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47622645 is an abundant number, since it is smaller than the sum of its proper divisors (53964555).

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

47622645 is a wasteful number, since it uses less digits than its factorization.

47622645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 216 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 47622645 is about 6900.9162435143. The cubic root of 47622645 is about 362.4692514545.

The spelling of 47622645 in words is "forty-seven million, six hundred twenty-two thousand, six hundred forty-five".