47320615 has 4 divisors (see below), whose sum is σ = 56784744. Its totient is φ = 37856488.

The previous prime is 47320589. The next prime is 47320627. The reversal of 47320615 is 51602374.

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 47320615 - 2⁷ = 47320487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732057 + ... + 4732066.

It is an arithmetic number, because the mean of its divisors is an integer number (14196186).

Almost surely, 2^47320615 is an apocalyptic number.

47320615 is a deficient number, since it is larger than the sum of its proper divisors (9464129).

47320615 is an equidigital number, since it uses as much as digits as its factorization.

47320615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464128.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47320615 is about 6878.9981101902. The cubic root of 47320615 is about 361.7013475441.

Adding to 47320615 its reverse (51602374), we get a palindrome (98922989).

The spelling of 47320615 in words is "forty-seven million, three hundred twenty thousand, six hundred fifteen".