47451292 has 12 divisors (see below), whose sum is σ = 94902640. Its totient is φ = 20336256.

The previous prime is 47451269. The next prime is 47451311. The reversal of 47451292 is 29215474.

47451292 is an admirable number.

It is a super-2 number, since 2×47451292² = 4503250224938528, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 847317 + ... + 847372.

Almost surely, 2^47451292 is an apocalyptic number.

It is an amenable number.

47451292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47451292 is a wasteful number, since it uses less digits than its factorization.

47451292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694700 (or 1694698 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 47451292 is about 6888.4898199823. The cubic root of 47451292 is about 362.0339904797.

The spelling of 47451292 in words is "forty-seven million, four hundred fifty-one thousand, two hundred ninety-two".