47442830 has 16 divisors (see below), whose sum is σ = 86228064. Its totient is φ = 18792480.

The previous prime is 47442827. The next prime is 47442851. The reversal of 47442830 is 3824474.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22001 + ... + 24060.

It is an arithmetic number, because the mean of its divisors is an integer number (5389254).

Almost surely, 2^47442830 is an apocalyptic number.

47442830 is a deficient number, since it is larger than the sum of its proper divisors (38785234).

47442830 is a wasteful number, since it uses less digits than its factorization.

47442830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46171.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 47442830 is about 6887.8755795964. The cubic root of 47442830 is about 362.0124686649.

The spelling of 47442830 in words is "forty-seven million, four hundred forty-two thousand, eight hundred thirty".