47302290 has 48 divisors (see below), whose sum is σ = 140557248. Its totient is φ = 10811808.

The previous prime is 47302289. The next prime is 47302303. The reversal of 47302290 is 9220374.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36912 + ... + 38171.

It is an arithmetic number, because the mean of its divisors is an integer number (2928276).

Almost surely, 2^47302290 is an apocalyptic number.

47302290 is an abundant number, since it is smaller than the sum of its proper divisors (93254958).

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

47302290 is a wasteful number, since it uses less digits than its factorization.

47302290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75103 (or 75100 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 47302290 is about 6877.6660285303. Note that the first 3 decimals coincide. The cubic root of 47302290 is about 361.6546516663.

The spelling of 47302290 in words is "forty-seven million, three hundred two thousand, two hundred ninety".