47790315 has 48 divisors (see below), whose sum is σ = 88452000. Its totient is φ = 23786496.

The previous prime is 47790311. The next prime is 47790331. The reversal of 47790315 is 51309774.

It is a happy number.

It is not a de Polignac number, because 47790315 - 2² = 47790311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47790315.

It is not an unprimeable number, because it can be changed into a prime (47790311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136761 + ... + 137109.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 2^47790315 is an apocalyptic number.

47790315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47790315 is a deficient number, since it is larger than the sum of its proper divisors (40661685).

47790315 is a wasteful number, since it uses less digits than its factorization.

47790315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 47790315 is about 6913.0539561036. The cubic root of 47790315 is about 362.8941475846.

The spelling of 47790315 in words is "forty-seven million, seven hundred ninety thousand, three hundred fifteen".