47709620 has 48 divisors (see below), whose sum is σ = 118207488. Its totient is φ = 15828480.

The previous prime is 47709587. The next prime is 47709637. The reversal of 47709620 is 2690774.

It is a super-3 number, since 3×47709620³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 1157 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (2462656).

Almost surely, 2^47709620 is an apocalyptic number.

It is an amenable number.

47709620 is an abundant number, since it is smaller than the sum of its proper divisors (70497868).

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

47709620 is a wasteful number, since it uses less digits than its factorization.

47709620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040 (or 11038 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 47709620 is about 6907.2150683181. The cubic root of 47709620 is about 362.6897809272.

The spelling of 47709620 in words is "forty-seven million, seven hundred nine thousand, six hundred twenty".