47020515 has 16 divisors (see below), whose sum is σ = 75319296. Its totient is φ = 25048800.

The previous prime is 47020511. The next prime is 47020517. The reversal of 47020515 is 51502074.

It is not a de Polignac number, because 47020515 - 2² = 47020511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47020511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21000 + ... + 23130.

It is an arithmetic number, because the mean of its divisors is an integer number (4707456).

Almost surely, 2^47020515 is an apocalyptic number.

47020515 is a deficient number, since it is larger than the sum of its proper divisors (28298781).

47020515 is a wasteful number, since it uses less digits than its factorization.

47020515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 47020515 is about 6857.1506473170. The cubic root of 47020515 is about 360.9351075159.

Adding to 47020515 its reverse (51502074), we get a palindrome (98522589).

The spelling of 47020515 in words is "forty-seven million, twenty thousand, five hundred fifteen".