47045308 has 24 divisors (see below), whose sum is σ = 86990400. Its totient is φ = 22225728.

The previous prime is 47045303. The next prime is 47045309. The reversal of 47045308 is 80354074.

It is a super-2 number, since 2×47045308² = 4426522009629728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47045308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47045303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 9766.

It is an arithmetic number, because the mean of its divisors is an integer number (3624600).

Almost surely, 2^47045308 is an apocalyptic number.

It is an amenable number.

47045308 is a deficient number, since it is larger than the sum of its proper divisors (39945092).

47045308 is a wasteful number, since it uses less digits than its factorization.

47045308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709 (or 8707 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 47045308 is about 6858.9582299355. The cubic root of 47045308 is about 360.9985343822.

The spelling of 47045308 in words is "forty-seven million, forty-five thousand, three hundred eight".