47509030 has 32 divisors (see below), whose sum is σ = 90595584. Its totient is φ = 17900256.

The previous prime is 47509009. The next prime is 47509039. The reversal of 47509030 is 3090574.

It is a self number, because there is not a number n which added to its sum of digits gives 47509030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47509039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13869 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (2831112).

Almost surely, 2^47509030 is an apocalyptic number.

47509030 is a deficient number, since it is larger than the sum of its proper divisors (43086554).

47509030 is a wasteful number, since it uses less digits than its factorization.

47509030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 47509030 is about 6892.6794499672. The cubic root of 47509030 is about 362.1807700873.

The spelling of 47509030 in words is "forty-seven million, five hundred nine thousand, thirty".