47090340 has 144 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 10736640.

The previous prime is 47090339. The next prime is 47090383. The reversal of 47090340 is 4309074.

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, 32961 + ... + 34359.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^47090340 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 47090340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

47090340 is an abundant number, since it is smaller than the sum of its proper divisors (118020060).

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

47090340 is a wasteful number, since it uses less digits than its factorization.

47090340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 47090340 is about 6862.2401590151. The cubic root of 47090340 is about 361.1136808408.

The spelling of 47090340 in words is "forty-seven million, ninety thousand, three hundred forty".