47427765 has 48 divisors (see below), whose sum is σ = 95351424. Its totient is φ = 19704960.

The previous prime is 47427763. The next prime is 47427767. The reversal of 47427765 is 56772474.

It is an interprime number because it is at equal distance from previous prime (47427763) and next prime (47427767).

It is not a de Polignac number, because 47427765 - 2¹ = 47427763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47427763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10839 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (1986488).

Almost surely, 2^47427765 is an apocalyptic number.

It is an amenable number.

47427765 is an abundant number, since it is smaller than the sum of its proper divisors (47923659).

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

47427765 is a wasteful number, since it uses less digits than its factorization.

47427765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3759 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 47427765 is about 6886.7819044892. The cubic root of 47427765 is about 361.9741467857.

The spelling of 47427765 in words is "forty-seven million, four hundred twenty-seven thousand, seven hundred sixty-five".