7195440 has 80 divisors (see below), whose sum is σ = 25498368. Its totient is φ = 1644288.

The previous prime is 7195423. The next prime is 7195453. The reversal of 7195440 is 445917.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7195398 and 7195407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462 + ... + 3821.

Almost surely, 2^7195440 is an apocalyptic number.

7195440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7195440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749184).

7195440 is an abundant number, since it is smaller than the sum of its proper divisors (18302928).

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

7195440 is a wasteful number, since it uses less digits than its factorization.

7195440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4300 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7195440 is about 2682.4317325889. The cubic root of 7195440 is about 193.0571032048.

The spelling of 7195440 in words is "seven million, one hundred ninety-five thousand, four hundred forty".