47166540 has 24 divisors (see below), whose sum is σ = 132066480. Its totient is φ = 12577728.

The previous prime is 47166503. The next prime is 47166577. The reversal of 47166540 is 4566174.

It is an interprime number because it is at equal distance from previous prime (47166503) and next prime (47166577).

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, 392995 + ... + 393114.

It is an arithmetic number, because the mean of its divisors is an integer number (5502770).

Almost surely, 2^47166540 is an apocalyptic number.

It is an amenable number.

47166540 is an abundant number, since it is smaller than the sum of its proper divisors (84899940).

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

47166540 is a wasteful number, since it uses less digits than its factorization.

47166540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786121 (or 786119 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47166540 is about 6867.7900375594. The cubic root of 47166540 is about 361.3083565324.

The spelling of 47166540 in words is "forty-seven million, one hundred sixty-six thousand, five hundred forty".