47336940 has 144 divisors (see below), whose sum is σ = 171410400. Its totient is φ = 10813824.

The previous prime is 47336911. The next prime is 47336951. The reversal of 47336940 is 4963374.

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

It is a junction number, because it is equal to n+sod(n) for n = 47336895 and 47336904.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25566 + ... + 27354.

It is an arithmetic number, because the mean of its divisors is an integer number (1190350).

Almost surely, 2^47336940 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 47336940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85705200).

47336940 is an abundant number, since it is smaller than the sum of its proper divisors (124073460).

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

47336940 is a wasteful number, since it uses less digits than its factorization.

47336940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 47336940 is about 6880.1845905470. The cubic root of 47336940 is about 361.7429368571.

The spelling of 47336940 in words is "forty-seven million, three hundred thirty-six thousand, nine hundred forty".