7795440 has 120 divisors (see below), whose sum is σ = 27217008. Its totient is φ = 2073600.

The previous prime is 7795439. The next prime is 7795441. The reversal of 7795440 is 445977.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7795439) and next prime (7795441).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 7795395 and 7795404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7795441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19240 + ... + 19640.

Almost surely, 2^7795440 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 7795440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608504).

7795440 is an abundant number, since it is smaller than the sum of its proper divisors (19421568).

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

7795440 is a wasteful number, since it uses less digits than its factorization.

7795440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7795440 is about 2792.0315184467. The cubic root of 7795440 is about 198.2805939066.

The spelling of 7795440 in words is "seven million, seven hundred ninety-five thousand, four hundred forty".