50702640 has 80 divisors (see below), whose sum is σ = 165465600. Its totient is φ = 12807936.

The previous prime is 50702627. The next prime is 50702671. The reversal of 50702640 is 4620705.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50702640.

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, 1000 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (2068320).

Almost surely, 2^50702640 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 50702640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82732800).

50702640 is an abundant number, since it is smaller than the sum of its proper divisors (114762960).

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

50702640 is a wasteful number, since it uses less digits than its factorization.

50702640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154 (or 11148 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 50702640 is about 7120.5786281734. The cubic root of 50702640 is about 370.1208273510.

The spelling of 50702640 in words is "fifty million, seven hundred two thousand, six hundred forty".