47090030 has 32 divisors (see below), whose sum is σ = 91627200. Its totient is φ = 17321472.

The previous prime is 47090027. The next prime is 47090041. The reversal of 47090030 is 3009074.

47090030 = 926² + 927² + ... + 977².

It is a junction number, because it is equal to n+sod(n) for n = 47089978 and 47090005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46166 + ... + 47174.

It is an arithmetic number, because the mean of its divisors is an integer number (2863350).

Almost surely, 2^47090030 is an apocalyptic number.

47090030 is a deficient number, since it is larger than the sum of its proper divisors (44537170).

47090030 is a wasteful number, since it uses less digits than its factorization.

47090030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 47090030 is about 6862.2175716018. The cubic root of 47090030 is about 361.1128884243.

The spelling of 47090030 in words is "forty-seven million, ninety thousand, thirty".