76303540 has 24 divisors (see below), whose sum is σ = 160727112. Its totient is φ = 30428160.

The previous prime is 76303529. The next prime is 76303547. The reversal of 76303540 is 4530367.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 76108176 = 442^2 + 8724^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76303499 and 76303508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76303547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (6696963).

Almost surely, 2^76303540 is an apocalyptic number.

It is an amenable number.

76303540 is an abundant number, since it is smaller than the sum of its proper divisors (84423572).

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

76303540 is a wasteful number, since it uses less digits than its factorization.

76303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11667 (or 11665 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 76303540 is about 8735.1897518028. The cubic root of 76303540 is about 424.1455312107.

The spelling of 76303540 in words is "seventy-six million, three hundred three thousand, five hundred forty".