7255633620 has 96 divisors (see below), whose sum is σ = 20558821248. Its totient is φ = 1911785472.

The previous prime is 7255633537. The next prime is 7255633631. The reversal of 7255633620 is 263365527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2932704 + ... + 2935176.

It is an arithmetic number, because the mean of its divisors is an integer number (214154388).

Almost surely, 2^7255633620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7255633620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10279410624).

7255633620 is an abundant number, since it is smaller than the sum of its proper divisors (13303187628).

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

7255633620 is a wasteful number, since it uses less digits than its factorization.

7255633620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The square root of 7255633620 is about 85180.0071613052. The cubic root of 7255633620 is about 1935.9395019714.

The spelling of 7255633620 in words is "seven billion, two hundred fifty-five million, six hundred thirty-three thousand, six hundred twenty".