73869255 has 12 divisors (see below), whose sum is σ = 128040120. Its totient is φ = 39396912.

The previous prime is 73869241. The next prime is 73869317. The reversal of 73869255 is 55296837.

It is a happy number.

It is not a de Polignac number, because 73869255 - 2¹³ = 73861063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1641539 = 73869255 / (7 + 3 + 8 + 6 + 9 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 73869255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820725 + ... + 820814.

It is an arithmetic number, because the mean of its divisors is an integer number (10670010).

Almost surely, 2^73869255 is an apocalyptic number.

73869255 is a deficient number, since it is larger than the sum of its proper divisors (54170865).

73869255 is a wasteful number, since it uses less digits than its factorization.

73869255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641550 (or 1641547 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 73869255 is about 8594.7225086096. The cubic root of 73869255 is about 419.5862421853.

It can be divided in two parts, 7386 and 9255, that added together give a square (16641 = 129²).

The spelling of 73869255 in words is "seventy-three million, eight hundred sixty-nine thousand, two hundred fifty-five".