47420590 has 32 divisors (see below), whose sum is σ = 99016704. Its totient is φ = 16014240.

The previous prime is 47420579. The next prime is 47420617. The reversal of 47420590 is 9502474.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 366 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (3094272).

Almost surely, 2^47420590 is an apocalyptic number.

47420590 is an abundant number, since it is smaller than the sum of its proper divisors (51596114).

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

47420590 is a wasteful number, since it uses less digits than its factorization.

47420590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47420590 is about 6886.2609593305. The cubic root of 47420590 is about 361.9558923906.

The spelling of 47420590 in words is "forty-seven million, four hundred twenty thousand, five hundred ninety".