47429616 has 80 divisors (see below), whose sum is σ = 136553760. Its totient is φ = 14085120.

The previous prime is 47429593. The next prime is 47429639. The reversal of 47429616 is 61692474.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47429593) and next prime (47429639).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 16786 + ... + 19406.

It is an arithmetic number, because the mean of its divisors is an integer number (1706922).

Almost surely, 2^47429616 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 47429616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68276880).

47429616 is an abundant number, since it is smaller than the sum of its proper divisors (89124144).

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

47429616 is a wasteful number, since it uses less digits than its factorization.

47429616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2668 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 47429616 is about 6886.9162910551. The cubic root of 47429616 is about 361.9788557392.

The spelling of 47429616 in words is "forty-seven million, four hundred twenty-nine thousand, six hundred sixteen".