47611247 has 4 divisors (see below), whose sum is σ = 47681640. Its totient is φ = 47540856.

The previous prime is 47611231. The next prime is 47611261. The reversal of 47611247 is 74211674.

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 47611247 - 2⁴ = 47611231 is a prime.

It is a super-4 number, since 4×47611247⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47611297) 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, 34172 + ... + 35537.

It is an arithmetic number, because the mean of its divisors is an integer number (11920410).

Almost surely, 2^47611247 is an apocalyptic number.

47611247 is a deficient number, since it is larger than the sum of its proper divisors (70393).

47611247 is an equidigital number, since it uses as much as digits as its factorization.

47611247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70392.

The product of its digits is 9408, while the sum is 32.

The square root of 47611247 is about 6900.0903617272. The cubic root of 47611247 is about 362.4403313600.

The spelling of 47611247 in words is "forty-seven million, six hundred eleven thousand, two hundred forty-seven".