47615490 has 48 divisors (see below), whose sum is σ = 133326648. Its totient is φ = 11720448.

The previous prime is 47615479. The next prime is 47615507. The reversal of 47615490 is 9451674.

It can be written as a sum of positive squares in 4 ways, for example, as 13638249 + 33977241 = 3693^2 + 5829^2 .

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 23 ways as a sum of consecutive naturals, for example, 19179 + ... + 21518.

Almost surely, 2^47615490 is an apocalyptic number.

47615490 is an abundant number, since it is smaller than the sum of its proper divisors (85711158).

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

47615490 is a wasteful number, since it uses less digits than its factorization.

47615490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40723 (or 40720 counting only the distinct ones).

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

The square root of 47615490 is about 6900.3978146191. The cubic root of 47615490 is about 362.4510976442.

The spelling of 47615490 in words is "forty-seven million, six hundred fifteen thousand, four hundred ninety".