7440897 has 8 divisors (see below), whose sum is σ = 9965440. Its totient is φ = 4938480.

The previous prime is 7440893. The next prime is 7440943. The reversal of 7440897 is 7980447.

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

It is not a de Polignac number, because 7440897 - 2² = 7440893 is a prime.

It is a Duffinian number.

7440897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7440893) 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, 4729 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (1245680).

Almost surely, 2^7440897 is an apocalyptic number.

It is an amenable number.

7440897 is a deficient number, since it is larger than the sum of its proper divisors (2524543).

7440897 is a wasteful number, since it uses less digits than its factorization.

7440897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7440897 is about 2727.8007625191. The cubic root of 7440897 is about 195.2278467534.

The spelling of 7440897 in words is "seven million, four hundred forty thousand, eight hundred ninety-seven".