76765040 has 80 divisors (see below), whose sum is σ = 197237376. Its totient is φ = 27552000.

The previous prime is 76765009. The next prime is 76765061. The reversal of 76765040 is 4056767.

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

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 15 ways as a sum of consecutive naturals, for example, 72515 + ... + 73565.

Almost surely, 2^76765040 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 76765040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98618688).

76765040 is an abundant number, since it is smaller than the sum of its proper divisors (120472336).

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

76765040 is a wasteful number, since it uses less digits than its factorization.

76765040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 76765040 is about 8761.5660700585. The cubic root of 76765040 is about 424.9989204125.

The spelling of 76765040 in words is "seventy-six million, seven hundred sixty-five thousand, forty".