47329812 has 48 divisors (see below), whose sum is σ = 123950400. Its totient is φ = 15616800.

The previous prime is 47329811. The next prime is 47329823. The reversal of 47329812 is 21892374.

It is a super-2 number, since 2×47329812² = 4480222207910688, which contains 22 as substring.

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 (47329811) 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, 8739 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (2582300).

Almost surely, 2^47329812 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 47329812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61975200).

47329812 is an abundant number, since it is smaller than the sum of its proper divisors (76620588).

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

47329812 is a wasteful number, since it uses less digits than its factorization.

47329812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453 (or 4445 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 47329812 is about 6879.6665616874. Note that the first 3 decimals coincide. The cubic root of 47329812 is about 361.7247788528.

The spelling of 47329812 in words is "forty-seven million, three hundred twenty-nine thousand, eight hundred twelve".