47287492 has 24 divisors (see below), whose sum is σ = 94743936. Its totient is φ = 20229888.

The previous prime is 47287481. The next prime is 47287511. The reversal of 47287492 is 29478274.

It is a super-2 number, since 2×47287492² = 4472213799300128, which contains 22 as substring.

It is an unprimeable number.

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, 19668 + ... + 21940.

It is an arithmetic number, because the mean of its divisors is an integer number (3947664).

Almost surely, 2^47287492 is an apocalyptic number.

It is an amenable number.

47287492 is an abundant number, since it is smaller than the sum of its proper divisors (47456444).

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

47287492 is a wasteful number, since it uses less digits than its factorization.

47287492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3025 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 47287492 is about 6876.5901433777. The cubic root of 47287492 is about 361.6169345092.

The spelling of 47287492 in words is "forty-seven million, two hundred eighty-seven thousand, four hundred ninety-two".