47290818 has 8 divisors (see below), whose sum is σ = 94581648. Its totient is φ = 15763604.

The previous prime is 47290813. The next prime is 47290843. The reversal of 47290818 is 81809274.

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

47290818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (47290813) 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, 3940896 + ... + 3940907.

It is an arithmetic number, because the mean of its divisors is an integer number (11822706).

Almost surely, 2^47290818 is an apocalyptic number.

47290818 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.

47290818 is a wasteful number, since it uses less digits than its factorization.

47290818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881808.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 47290818 is about 6876.8319740997. The cubic root of 47290818 is about 361.6254125068.

The spelling of 47290818 in words is "forty-seven million, two hundred ninety thousand, eight hundred eighteen".