47992810 has 8 divisors (see below), whose sum is σ = 86387076. Its totient is φ = 19197120.

The previous prime is 47992801. The next prime is 47992831. The reversal of 47992810 is 1829974.

It can be written as a sum of positive squares in 2 ways, for example, as 43678881 + 4313929 = 6609^2 + 2077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47992810² = 4606619623392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399631 + ... + 2399650.

Almost surely, 2^47992810 is an apocalyptic number.

47992810 is a deficient number, since it is larger than the sum of its proper divisors (38394266).

47992810 is a wasteful number, since it uses less digits than its factorization.

47992810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799288.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 47992810 is about 6927.6843172881. The cubic root of 47992810 is about 363.4059716922.

The spelling of 47992810 in words is "forty-seven million, nine hundred ninety-two thousand, eight hundred ten".