47303690 has 64 divisors (see below), whose sum is σ = 104177664. Its totient is φ = 15095808.

The previous prime is 47303681. The next prime is 47303701. The reversal of 47303690 is 9630374.

It is a super-2 number, since 2×47303690² = 4475278175232200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 150974 + ... + 151286.

It is an arithmetic number, because the mean of its divisors is an integer number (1627776).

Almost surely, 2^47303690 is an apocalyptic number.

47303690 is an abundant number, since it is smaller than the sum of its proper divisors (56873974).

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

47303690 is a wasteful number, since it uses less digits than its factorization.

47303690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 47303690 is about 6877.7678064907. The cubic root of 47303690 is about 361.6582195804.

The spelling of 47303690 in words is "forty-seven million, three hundred three thousand, six hundred ninety".