47661590 has 16 divisors (see below), whose sum is σ = 87000480. Its totient is φ = 18795840.

The previous prime is 47661577. The next prime is 47661613. The reversal of 47661590 is 9516674.

It is a super-2 number, since 2×47661590² = 4543254322656200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32855 + ... + 34274.

It is an arithmetic number, because the mean of its divisors is an integer number (5437530).

Almost surely, 2^47661590 is an apocalyptic number.

47661590 is a deficient number, since it is larger than the sum of its proper divisors (39338890).

47661590 is a wasteful number, since it uses less digits than its factorization.

47661590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67207.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 47661590 is about 6903.7373936151. The cubic root of 47661590 is about 362.5680316231.

The spelling of 47661590 in words is "forty-seven million, six hundred sixty-one thousand, five hundred ninety".