47974724 has 48 divisors (see below), whose sum is σ = 99456000. Its totient is φ = 20236608.

The previous prime is 47974691. The next prime is 47974727. The reversal of 47974724 is 42747974.

47974724 = T₄₂₁ + T₄₂₂ + ... + T₇₁₂.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47974727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99917 + ... + 100395.

It is an arithmetic number, because the mean of its divisors is an integer number (2072000).

Almost surely, 2^47974724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47974724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49728000).

47974724 is an abundant number, since it is smaller than the sum of its proper divisors (51481276).

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

47974724 is a wasteful number, since it uses less digits than its factorization.

47974724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 561 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 47974724 is about 6926.3788518966. The cubic root of 47974724 is about 363.3603163381.

The spelling of 47974724 in words is "forty-seven million, nine hundred seventy-four thousand, seven hundred twenty-four".