7340399 has 4 divisors (see below), whose sum is σ = 8007720. Its totient is φ = 6673080.

The previous prime is 7340383. The next prime is 7340419. The reversal of 7340399 is 9930437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9930437 = 11 ⋅902767.

It is a cyclic number.

It is not a de Polignac number, because 7340399 - 2⁴ = 7340383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7340309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333644 + ... + 333665.

It is an arithmetic number, because the mean of its divisors is an integer number (2001930).

Almost surely, 2^7340399 is an apocalyptic number.

7340399 is a deficient number, since it is larger than the sum of its proper divisors (667321).

7340399 is a wasteful number, since it uses less digits than its factorization.

7340399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667320.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 7340399 is about 2709.3170726218. The cubic root of 7340399 is about 194.3449331602.

The spelling of 7340399 in words is "seven million, three hundred forty thousand, three hundred ninety-nine".