47518990 has 16 divisors (see below), whose sum is σ = 85616352. Its totient is φ = 18989344.

The previous prime is 47518987. The next prime is 47518993. The reversal of 47518990 is 9981574.

It is an interprime number because it is at equal distance from previous prime (47518987) and next prime (47518993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47518993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14592 + ... + 17548.

It is an arithmetic number, because the mean of its divisors is an integer number (5351022).

Almost surely, 2^47518990 is an apocalyptic number.

47518990 is a deficient number, since it is larger than the sum of its proper divisors (38097362).

47518990 is a wasteful number, since it uses less digits than its factorization.

47518990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 47518990 is about 6893.4019177762. The cubic root of 47518990 is about 362.2060780370.

The spelling of 47518990 in words is "forty-seven million, five hundred eighteen thousand, nine hundred ninety".