47071340 has 24 divisors (see below), whose sum is σ = 103148640. Its totient is φ = 18009728.

The previous prime is 47071331. The next prime is 47071373. The reversal of 47071340 is 4317074.

It is a super-2 number, since 2×47071340² = 4431422098791200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50705 + ... + 51624.

It is an arithmetic number, because the mean of its divisors is an integer number (4297860).

Almost surely, 2^47071340 is an apocalyptic number.

It is an amenable number.

47071340 is an abundant number, since it is smaller than the sum of its proper divisors (56077300).

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

47071340 is a wasteful number, since it uses less digits than its factorization.

47071340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102361 (or 102359 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 47071340 is about 6860.8556317707. The cubic root of 47071340 is about 361.0651069512.

The spelling of 47071340 in words is "forty-seven million, seventy-one thousand, three hundred forty".