47212032 has 80 divisors (see below), whose sum is σ = 143776512. Its totient is φ = 13486080.

The previous prime is 47212021. The next prime is 47212103. The reversal of 47212032 is 23021274.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 8557 + ... + 12947.

Almost surely, 2^47212032 is an apocalyptic number.

47212032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71888256).

47212032 is an abundant number, since it is smaller than the sum of its proper divisors (96564480).

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

47212032 is an equidigital number, since it uses as much as digits as its factorization.

47212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4403 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 47212032 is about 6871.1012217839. The cubic root of 47212032 is about 361.4244795172.

The spelling of 47212032 in words is "forty-seven million, two hundred twelve thousand, thirty-two".