74270065 has 8 divisors (see below), whose sum is σ = 91298088. Its totient is φ = 57966720.

The previous prime is 74270051. The next prime is 74270081. The reversal of 74270065 is 56007247.

It can be written as a sum of positive squares in 4 ways, for example, as 602176 + 73667889 = 776^2 + 8583^2 .

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

It is not a de Polignac number, because 74270065 - 2¹⁵ = 74237297 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 180942 + ... + 181351.

It is an arithmetic number, because the mean of its divisors is an integer number (11412261).

Almost surely, 2^74270065 is an apocalyptic number.

It is an amenable number.

74270065 is a deficient number, since it is larger than the sum of its proper divisors (17028023).

74270065 is a wasteful number, since it uses less digits than its factorization.

74270065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362339.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 74270065 is about 8618.0081805484. The cubic root of 74270065 is about 420.3437567400.

It can be divided in two parts, 742 and 70065, that added together give a palindrome (70807).

The spelling of 74270065 in words is "seventy-four million, two hundred seventy thousand, sixty-five".