47952290 has 8 divisors (see below), whose sum is σ = 86314140. Its totient is φ = 19180912.

The previous prime is 47952287. The next prime is 47952293. The reversal of 47952290 is 9225974.

It is an interprime number because it is at equal distance from previous prime (47952287) and next prime (47952293).

It can be written as a sum of positive squares in 2 ways, for example, as 47183161 + 769129 = 6869^2 + 877^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47952293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397605 + ... + 2397624.

Almost surely, 2^47952290 is an apocalyptic number.

47952290 is a deficient number, since it is larger than the sum of its proper divisors (38361850).

47952290 is a wasteful number, since it uses less digits than its factorization.

47952290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795236.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 47952290 is about 6924.7592015896. The cubic root of 47952290 is about 363.3036691733.

The spelling of 47952290 in words is "forty-seven million, nine hundred fifty-two thousand, two hundred ninety".