47013797 has 4 divisors (see below), whose sum is σ = 47027916. Its totient is φ = 46999680.

The previous prime is 47013787. The next prime is 47013871. The reversal of 47013797 is 79731074.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 30481441 = 4066^2 + 5521^2 .

It is a cyclic number.

It is not a de Polignac number, because 47013797 - 2¹⁴ = 46997413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47013797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47013787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (11756979).

Almost surely, 2^47013797 is an apocalyptic number.

It is an amenable number.

47013797 is a deficient number, since it is larger than the sum of its proper divisors (14119).

47013797 is an equidigital number, since it uses as much as digits as its factorization.

47013797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14118.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 47013797 is about 6856.6607762088. The cubic root of 47013797 is about 360.9179173062.

The spelling of 47013797 in words is "forty-seven million, thirteen thousand, seven hundred ninety-seven".