4272651765 has 24 divisors (see below), whose sum is σ = 7412790840. Its totient is φ = 2276636544.

The previous prime is 4272651737. The next prime is 4272651811. The reversal of 4272651765 is 5671562724.

4272651765 is a `hidden beast` number, since 4 + 2 + 72 + 6 + 517 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1247431761 + 3025220004 = 35319^2 + 55002^2 .

It is not a de Polignac number, because 4272651765 - 2¹⁰ = 4272650741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4272651765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5751 + ... + 92619.

It is an arithmetic number, because the mean of its divisors is an integer number (308866285).

Almost surely, 2^4272651765 is an apocalyptic number.

4272651765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4272651765 is a deficient number, since it is larger than the sum of its proper divisors (3140139075).

4272651765 is a wasteful number, since it uses less digits than its factorization.

4272651765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87973 (or 87970 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 4272651765 is about 65365.5242845952. The cubic root of 4272651765 is about 1622.6785648394.

The spelling of 4272651765 in words is "four billion, two hundred seventy-two million, six hundred fifty-one thousand, seven hundred sixty-five".