74270101765 has 4 divisors (see below), whose sum is σ = 89124122124. Its totient is φ = 59416081408.

The previous prime is 74270101709. The next prime is 74270101769. The reversal of 74270101765 is 56710107247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24265539076 + 50004562689 = 155774^2 + 223617^2 .

It is a cyclic number.

It is not a de Polignac number, because 74270101765 - 2⁹ = 74270101253 is a prime.

It is a super-2 number, since 2×74270101765² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74270101769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7427010172 + ... + 7427010181.

It is an arithmetic number, because the mean of its divisors is an integer number (22281030531).

Almost surely, 2^74270101765 is an apocalyptic number.

It is an amenable number.

74270101765 is a deficient number, since it is larger than the sum of its proper divisors (14854020359).

74270101765 is a wasteful number, since it uses less digits than its factorization.

74270101765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854020358.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 74270101765 in words is "seventy-four billion, two hundred seventy million, one hundred one thousand, seven hundred sixty-five".