47215082 has 4 divisors (see below), whose sum is σ = 70822626. Its totient is φ = 23607540.

The previous prime is 47215079. The next prime is 47215093. The reversal of 47215082 is 28051274.

47215082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28051274 = 2 ⋅14025637.

It can be written as a sum of positive squares in only one way, i.e., 25694761 + 21520321 = 5069^2 + 4639^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11803769 + ... + 11803772.

Almost surely, 2^47215082 is an apocalyptic number.

47215082 is a deficient number, since it is larger than the sum of its proper divisors (23607544).

47215082 is a wasteful number, since it uses less digits than its factorization.

47215082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23607543.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 47215082 is about 6871.3231622447. The cubic root of 47215082 is about 361.4322622855.

The spelling of 47215082 in words is "forty-seven million, two hundred fifteen thousand, eighty-two".