7265830 has 32 divisors (see below), whose sum is σ = 15367968. Its totient is φ = 2438400.

The previous prime is 7265813. The next prime is 7265837. The reversal of 7265830 is 385627.

7265830 = 166² + 167² + ... + 297².

It is a junction number, because it is equal to n+sod(n) for n = 7265792 and 7265801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (480249).

Almost surely, 2^7265830 is an apocalyptic number.

7265830 is an abundant number, since it is smaller than the sum of its proper divisors (8102138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7265830 is a wasteful number, since it uses less digits than its factorization.

7265830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 7265830 is about 2695.5203579272. The cubic root of 7265830 is about 193.6845939477.

It can be divided in two parts, 726 and 5830, that added together give a palindrome (6556).

The spelling of 7265830 in words is "seven million, two hundred sixty-five thousand, eight hundred thirty".