76401065 has 16 divisors (see below), whose sum is σ = 98918400. Its totient is φ = 56313792.

The previous prime is 76401029. The next prime is 76401079. The reversal of 76401065 is 56010467.

It is a cyclic number.

It is not a de Polignac number, because 76401065 - 2²⁰ = 75352489 is a prime.

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, 59096 + ... + 60374.

It is an arithmetic number, because the mean of its divisors is an integer number (6182400).

Almost surely, 2^76401065 is an apocalyptic number.

It is an amenable number.

76401065 is a deficient number, since it is larger than the sum of its proper divisors (22517335).

76401065 is a wasteful number, since it uses less digits than its factorization.

76401065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 76401065 is about 8740.7702749815. The cubic root of 76401065 is about 424.3261570916.

The spelling of 76401065 in words is "seventy-six million, four hundred one thousand, sixty-five".