47342240 has 96 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 16727040.

The previous prime is 47342237. The next prime is 47342291. The reversal of 47342240 is 4224374.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64757 + ... + 65483.

It is an arithmetic number, because the mean of its divisors is an integer number (1307124).

Almost surely, 2^47342240 is an apocalyptic number.

47342240 is a gapful number since it is divisible by the number (40) 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 47342240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62741952).

47342240 is an abundant number, since it is smaller than the sum of its proper divisors (78141664).

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

47342240 is a wasteful number, since it uses less digits than its factorization.

47342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 47342240 is about 6880.5697438512. The cubic root of 47342240 is about 361.7564369976.

The spelling of 47342240 in words is "forty-seven million, three hundred forty-two thousand, two hundred forty".