47912292 has 36 divisors (see below), whose sum is σ = 125290620. Its totient is φ = 15419712.

The previous prime is 47912261. The next prime is 47912297. The reversal of 47912292 is 29221974.

47912292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16842816 + 31069476 = 4104^2 + 5574^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47912297) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 21903 + ... + 23990.

It is an arithmetic number, because the mean of its divisors is an integer number (3480295).

Almost surely, 2^47912292 is an apocalyptic number.

It is an amenable number.

47912292 is an abundant number, since it is smaller than the sum of its proper divisors (77378328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47912292 is a wasteful number, since it uses less digits than its factorization.

47912292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45932 (or 45927 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 47912292 is about 6921.8705564320. The cubic root of 47912292 is about 363.2026280319.

The spelling of 47912292 in words is "forty-seven million, nine hundred twelve thousand, two hundred ninety-two".