47469312 has 108 divisors (see below), whose sum is σ = 149387784. Its totient is φ = 14376960.

The previous prime is 47469271. The next prime is 47469313. The reversal of 47469312 is 21396474.

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

It is not an unprimeable number, because it can be changed into a prime (47469313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24408 + ... + 26280.

Almost surely, 2^47469312 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 47469312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74693892).

47469312 is an abundant number, since it is smaller than the sum of its proper divisors (101918472).

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

47469312 is a wasteful number, since it uses less digits than its factorization.

47469312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1889 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 47469312 is about 6889.7976748233. The cubic root of 47469312 is about 362.0798130947.

The spelling of 47469312 in words is "forty-seven million, four hundred sixty-nine thousand, three hundred twelve".