74807065 has 8 divisors (see below), whose sum is σ = 89850888. Its totient is φ = 59790720.

The previous prime is 74807053. The next prime is 74807077. The reversal of 74807065 is 56070847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74807053) and next prime (74807077).

It can be written as a sum of positive squares in 4 ways, for example, as 19289664 + 55517401 = 4392^2 + 7451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-74807065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 12235.

It is an arithmetic number, because the mean of its divisors is an integer number (11231361).

Almost surely, 2^74807065 is an apocalyptic number.

It is an amenable number.

74807065 is a deficient number, since it is larger than the sum of its proper divisors (15043823).

74807065 is a wasteful number, since it uses less digits than its factorization.

74807065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 74807065 is about 8649.1077574511. The cubic root of 74807065 is about 421.3544050548.

The spelling of 74807065 in words is "seventy-four million, eight hundred seven thousand, sixty-five".