47840902 has 8 divisors (see below), whose sum is σ = 71900136. Its totient is φ = 23874192.

The previous prime is 47840893. The next prime is 47840929. The reversal of 47840902 is 20904874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21823 + ... + 23914.

It is an arithmetic number, because the mean of its divisors is an integer number (8987517).

Almost surely, 2^47840902 is an apocalyptic number.

47840902 is a deficient number, since it is larger than the sum of its proper divisors (24059234).

47840902 is a wasteful number, since it uses less digits than its factorization.

47840902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46262.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 47840902 is about 6916.7117910175. The cubic root of 47840902 is about 363.0221459926.

The spelling of 47840902 in words is "forty-seven million, eight hundred forty thousand, nine hundred two".