47442724 has 24 divisors (see below), whose sum is σ = 98159040. Its totient is φ = 19631136.

The previous prime is 47442713. The next prime is 47442737. The reversal of 47442724 is 42724474.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47442724.

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, 28402 + ... + 30025.

It is an arithmetic number, because the mean of its divisors is an integer number (4089960).

Almost surely, 2^47442724 is an apocalyptic number.

It is an amenable number.

47442724 is an abundant number, since it is smaller than the sum of its proper divisors (50716316).

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

47442724 is a wasteful number, since it uses less digits than its factorization.

47442724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58467 (or 58465 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 47442724 is about 6887.8678849118. The cubic root of 47442724 is about 362.0121990537.

The spelling of 47442724 in words is "forty-seven million, four hundred forty-two thousand, seven hundred twenty-four".