47140632 has 144 divisors (see below), whose sum is σ = 160589520. Its totient is φ = 12228480.

The previous prime is 47140619. The next prime is 47140673. The reversal of 47140632 is 23604174.

It is a junction number, because it is equal to n+sod(n) for n = 47140596 and 47140605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60598 + ... + 61370.

It is an arithmetic number, because the mean of its divisors is an integer number (1115205).

Almost surely, 2^47140632 is an apocalyptic number.

47140632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47140632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80294760).

47140632 is an abundant number, since it is smaller than the sum of its proper divisors (113448888).

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

47140632 is a wasteful number, since it uses less digits than its factorization.

47140632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 47140632 is about 6865.9035821951. The cubic root of 47140632 is about 361.2421903381.

The spelling of 47140632 in words is "forty-seven million, one hundred forty thousand, six hundred thirty-two".