7409997 has 12 divisors (see below), whose sum is σ = 12232480. Its totient is φ = 4234248.

The previous prime is 7409989. The next prime is 7410017. The reversal of 7409997 is 7999047.

It is not a de Polignac number, because 7409997 - 2³ = 7409989 is a prime.

It is a Duffinian number.

7409997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7409917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58747 + ... + 58872.

Almost surely, 2^7409997 is an apocalyptic number.

It is an amenable number.

7409997 is a deficient number, since it is larger than the sum of its proper divisors (4822483).

7409997 is a wasteful number, since it uses less digits than its factorization.

7409997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117632 (or 117629 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 7409997 is about 2722.1309667244. The cubic root of 7409997 is about 194.9572292783.

The spelling of 7409997 in words is "seven million, four hundred nine thousand, nine hundred ninety-seven".