76540736 has 56 divisors (see below), whose sum is σ = 158398464. Its totient is φ = 36656640.

The previous prime is 76540703. The next prime is 76540777. The reversal of 76540736 is 63704567.

It is a self number, because there is not a number n which added to its sum of digits gives 76540736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343121 + ... + 343343.

It is an arithmetic number, because the mean of its divisors is an integer number (2828544).

Almost surely, 2^76540736 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 76540736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79199232).

76540736 is an abundant number, since it is smaller than the sum of its proper divisors (81857728).

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

76540736 is a wasteful number, since it uses less digits than its factorization.

76540736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 76540736 is about 8748.7562544627. The cubic root of 76540736 is about 424.5845739954.

The spelling of 76540736 in words is "seventy-six million, five hundred forty thousand, seven hundred thirty-six".