47808036 has 48 divisors (see below), whose sum is σ = 124689600. Its totient is φ = 15840576.

The previous prime is 47808023. The next prime is 47808049. The reversal of 47808036 is 63080874.

It is an interprime number because it is at equal distance from previous prime (47808023) and next prime (47808049).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 18096 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (2597700).

Almost surely, 2^47808036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47808036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62344800).

47808036 is an abundant number, since it is smaller than the sum of its proper divisors (76881564).

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

47808036 is a wasteful number, since it uses less digits than its factorization.

47808036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 47808036 is about 6914.3355429137. The cubic root of 47808036 is about 362.9389966472.

The spelling of 47808036 in words is "forty-seven million, eight hundred eight thousand, thirty-six".