47516490 has 128 divisors (see below), whose sum is σ = 149667840. Its totient is φ = 10497600.

The previous prime is 47516489. The next prime is 47516509. The reversal of 47516490 is 9461574.

47516490 is a `hidden beast` number, since 4 + 7 + 5 + 1 + 649 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58185 + ... + 58995.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280).

Almost surely, 2^47516490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47516490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74833920).

47516490 is an abundant number, since it is smaller than the sum of its proper divisors (102151350).

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

47516490 is a wasteful number, since it uses less digits than its factorization.

47516490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 47516490 is about 6893.2205825724. The cubic root of 47516490 is about 362.1997259724.

The spelling of 47516490 in words is "forty-seven million, five hundred sixteen thousand, four hundred ninety".