7265863 has 8 divisors (see below), whose sum is σ = 8200080. Its totient is φ = 6377280.

The previous prime is 7265857. The next prime is 7265887. The reversal of 7265863 is 3685627.

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

It is a cyclic number.

It is not a de Polignac number, because 7265863 - 2¹⁷ = 7134791 is a prime.

It is a Duffinian number.

7265863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11070 + ... + 11707.

It is an arithmetic number, because the mean of its divisors is an integer number (1025010).

Almost surely, 2^7265863 is an apocalyptic number.

7265863 is a deficient number, since it is larger than the sum of its proper divisors (934217).

7265863 is a wasteful number, since it uses less digits than its factorization.

7265863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22817.

The product of its digits is 60480, while the sum is 37.

The square root of 7265863 is about 2695.5264791873. The cubic root of 7265863 is about 193.6848871733.

It can be divided in two parts, 7265 and 863, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7265863 in words is "seven million, two hundred sixty-five thousand, eight hundred sixty-three".