47734140 has 48 divisors (see below), whose sum is σ = 136507392. Its totient is φ = 12457536.

The previous prime is 47734139. The next prime is 47734151. The reversal of 47734140 is 4143774.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47734098 and 47734107.

It is a congruent number.

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, 5644 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (2843904).

Almost surely, 2^47734140 is an apocalyptic number.

It is an amenable number.

47734140 is an abundant number, since it is smaller than the sum of its proper divisors (88773252).

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

47734140 is a wasteful number, since it uses less digits than its factorization.

47734140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16986 (or 16984 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 47734140 is about 6908.9897959108. The cubic root of 47734140 is about 362.7519041799.

It can be divided in two parts, 47734 and 140, that added together give a palindrome (47874).

The spelling of 47734140 in words is "forty-seven million, seven hundred thirty-four thousand, one hundred forty".