7390739 has 8 divisors (see below), whose sum is σ = 7556880. Its totient is φ = 7226496.

The previous prime is 7390729. The next prime is 7390759. The reversal of 7390739 is 9370937.

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

It is a cyclic number.

It is not a de Polignac number, because 7390739 - 2⁴ = 7390723 is a prime.

It is a super-2 number, since 2×7390739² = 109246045932242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7390729) 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, 9632 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (944610).

Almost surely, 2^7390739 is an apocalyptic number.

7390739 is a deficient number, since it is larger than the sum of its proper divisors (166141).

7390739 is a wasteful number, since it uses less digits than its factorization.

7390739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 7390739 is about 2718.5913631879. The cubic root of 7390739 is about 194.7881899132.

Multiplying 7390739 by its sum of digits (38), we get a palindrome (280848082).

The spelling of 7390739 in words is "seven million, three hundred ninety thousand, seven hundred thirty-nine".