47214979 has 8 divisors (see below), whose sum is σ = 55061600. Its totient is φ = 40469688.

The previous prime is 47214961. The next prime is 47214983. The reversal of 47214979 is 97941274.

It is not a de Polignac number, because 47214979 - 2¹¹ = 47212931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47214919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68484 + ... + 69169.

It is an arithmetic number, because the mean of its divisors is an integer number (6882700).

Almost surely, 2^47214979 is an apocalyptic number.

47214979 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

47214979 is a deficient number, since it is larger than the sum of its proper divisors (7846621).

47214979 is an equidigital number, since it uses as much as digits as its factorization.

47214979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137674 (or 137660 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 47214979 is about 6871.3156673231. The cubic root of 47214979 is about 361.4319994631.

It can be divided in two parts, 472 and 14979, that added together give a palindrome (15451).

The spelling of 47214979 in words is "forty-seven million, two hundred fourteen thousand, nine hundred seventy-nine".