47342736 has 120 divisors (see below), whose sum is σ = 153900864. Its totient is φ = 13305600.

The previous prime is 47342719. The next prime is 47342753. The reversal of 47342736 is 63724374.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47342719) and next prime (47342753).

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47342736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67186 + ... + 67886.

Almost surely, 2^47342736 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 47342736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76950432).

47342736 is an abundant number, since it is smaller than the sum of its proper divisors (106558128).

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

47342736 is a wasteful number, since it uses less digits than its factorization.

47342736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 780 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 47342736 is about 6880.6057872836. The cubic root of 47342736 is about 361.7577003554.

The spelling of 47342736 in words is "forty-seven million, three hundred forty-two thousand, seven hundred thirty-six".