47913372 has 72 divisors (see below), whose sum is σ = 134004416. Its totient is φ = 14338944.

The previous prime is 47913343. The next prime is 47913377. The reversal of 47913372 is 27331974.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47913377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15933 + ... + 18699.

Almost surely, 2^47913372 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 47913372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67002208).

47913372 is an abundant number, since it is smaller than the sum of its proper divisors (86091044).

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

47913372 is a wasteful number, since it uses less digits than its factorization.

47913372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2822 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 47913372 is about 6921.9485695865. The cubic root of 47913372 is about 363.2053570176.

The spelling of 47913372 in words is "forty-seven million, nine hundred thirteen thousand, three hundred seventy-two".