47000100 has 72 divisors (see below), whose sum is σ = 155420608. Its totient is φ = 10742400.

The previous prime is 47000081. The next prime is 47000117. The reversal of 47000100 is 100074.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9091 + ... + 13290.

Almost surely, 2^47000100 is an apocalyptic number.

It is an amenable number.

47000100 is an abundant number, since it is smaller than the sum of its proper divisors (108420508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47000100 is a wasteful number, since it uses less digits than its factorization.

47000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22405 (or 22398 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 47000100 is about 6855.6618936467. The cubic root of 47000100 is about 360.8828639588.

Adding to 47000100 its reverse (100074), we get a palindrome (47100174).

The spelling of 47000100 in words is "forty-seven million, one hundred", and thus it is an aban number.