76801065 has 32 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 37033920.

The previous prime is 76801063. The next prime is 76801079. The reversal of 76801065 is 56010867.

It is not a de Polignac number, because 76801065 - 2¹ = 76801063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76801061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31666 + ... + 34004.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 2^76801065 is an apocalyptic number.

It is an amenable number.

76801065 is a deficient number, since it is larger than the sum of its proper divisors (57982935).

76801065 is a wasteful number, since it uses less digits than its factorization.

76801065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 76801065 is about 8763.6216828432. The cubic root of 76801065 is about 425.0653924754.

The spelling of 76801065 in words is "seventy-six million, eight hundred one thousand, sixty-five".