47497330 has 16 divisors (see below), whose sum is σ = 85817880. Its totient is φ = 18927232.

The previous prime is 47497309. The next prime is 47497339. The reversal of 47497330 is 3379474.

It can be written as a sum of positive squares in 4 ways, for example, as 16394401 + 31102929 = 4049^2 + 5577^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47497330.

It is not an unprimeable number, because it can be changed into a prime (47497339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6139 + ... + 11518.

Almost surely, 2^47497330 is an apocalyptic number.

47497330 is a deficient number, since it is larger than the sum of its proper divisors (38320550).

47497330 is a wasteful number, since it uses less digits than its factorization.

47497330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17933.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 47497330 is about 6891.8306711642. The cubic root of 47497330 is about 362.1510363510.

The spelling of 47497330 in words is "forty-seven million, four hundred ninety-seven thousand, three hundred thirty".