47100247 has 4 divisors (see below), whose sum is σ = 47253976. Its totient is φ = 46946520.

The previous prime is 47100227. The next prime is 47100269. The reversal of 47100247 is 74200174.

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 47100247 - 2¹¹ = 47098199 is a prime.

It is a super-2 number, since 2×47100247² = 4436866534922018, which contains 22 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 (47100227) 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, 76404 + ... + 77017.

It is an arithmetic number, because the mean of its divisors is an integer number (11813494).

Almost surely, 2^47100247 is an apocalyptic number.

47100247 is a deficient number, since it is larger than the sum of its proper divisors (153729).

47100247 is a wasteful number, since it uses less digits than its factorization.

47100247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153728.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 47100247 is about 6862.9619698786. The cubic root of 47100247 is about 361.1390031070.

The spelling of 47100247 in words is "forty-seven million, one hundred thousand, two hundred forty-seven".