5217538734 has 24 divisors (see below), whose sum is σ = 11351976480. Its totient is φ = 1731901248.

The previous prime is 5217538727. The next prime is 5217538751. The reversal of 5217538734 is 4378357125.

5217538734 is a `hidden beast` number, since 521 + 7 + 53 + 8 + 73 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5217538734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602107 + ... + 610710.

It is an arithmetic number, because the mean of its divisors is an integer number (472999020).

Almost surely, 2^5217538734 is an apocalyptic number.

5217538734 is an abundant number, since it is smaller than the sum of its proper divisors (6134437746).

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

5217538734 is a wasteful number, since it uses less digits than its factorization.

5217538734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213064 (or 1213061 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 5217538734 is about 72232.5323798079. The cubic root of 5217538734 is about 1734.4238117492.

It can be divided in two parts, 52175 and 38734, that added together give a palindrome (90909).

The spelling of 5217538734 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, seven hundred thirty-four".