73524042536 has 48 divisors (see below), whose sum is σ = 160624540800. Its totient is φ = 31459294944.

The previous prime is 73524042499. The next prime is 73524042551. The reversal of 73524042536 is 63524042537.

It is a happy number.

It is a super-2 number, since 2×73524042536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73524042493 and 73524042502.

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, 91145 + ... + 394151.

It is an arithmetic number, because the mean of its divisors is an integer number (3346344600).

Almost surely, 2^73524042536 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 73524042536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80312270400).

73524042536 is an abundant number, since it is smaller than the sum of its proper divisors (87100498264).

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

73524042536 is a wasteful number, since it uses less digits than its factorization.

73524042536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303646 (or 303635 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 41.

Subtracting from 73524042536 its reverse (63524042537), we obtain a palindrome (9999999999).

The spelling of 73524042536 in words is "seventy-three billion, five hundred twenty-four million, forty-two thousand, five hundred thirty-six".