47497015 has 4 divisors (see below), whose sum is σ = 56996424. Its totient is φ = 37997608.

The previous prime is 47497007. The next prime is 47497019. The reversal of 47497015 is 51079474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47497015 - 2³ = 47497007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47497019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4749697 + ... + 4749706.

It is an arithmetic number, because the mean of its divisors is an integer number (14249106).

Almost surely, 2^47497015 is an apocalyptic number.

47497015 is a deficient number, since it is larger than the sum of its proper divisors (9499409).

47497015 is an equidigital number, since it uses as much as digits as its factorization.

47497015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499408.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 47497015 is about 6891.8078179822. The cubic root of 47497015 is about 362.1502357598.

The spelling of 47497015 in words is "forty-seven million, four hundred ninety-seven thousand, fifteen".