47291136 has 72 divisors (see below), whose sum is σ = 127055040. Its totient is φ = 15614976.

The previous prime is 47291113. The next prime is 47291149. The reversal of 47291136 is 63119274.

It is a junction number, because it is equal to n+sod(n) for n = 47291097 and 47291106.

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, 106531 + ... + 106973.

Almost surely, 2^47291136 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 47291136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63527520).

47291136 is an abundant number, since it is smaller than the sum of its proper divisors (79763904).

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

47291136 is a wasteful number, since it uses less digits than its factorization.

47291136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 587 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 47291136 is about 6876.8550951725. The cubic root of 47291136 is about 361.6262230702.

The spelling of 47291136 in words is "forty-seven million, two hundred ninety-one thousand, one hundred thirty-six".