7390445 has 4 divisors (see below), whose sum is σ = 8868540. Its totient is φ = 5912352.

The previous prime is 7390423. The next prime is 7390451. The reversal of 7390445 is 5440937.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 4313929 = 1754^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 7390445 - 2⁶ = 7390381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739040 + ... + 739049.

It is an arithmetic number, because the mean of its divisors is an integer number (2217135).

Almost surely, 2^7390445 is an apocalyptic number.

It is an amenable number.

7390445 is a deficient number, since it is larger than the sum of its proper divisors (1478095).

7390445 is a wasteful number, since it uses less digits than its factorization.

7390445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478094.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 7390445 is about 2718.5372905296. The cubic root of 7390445 is about 194.7856070192.

The spelling of 7390445 in words is "seven million, three hundred ninety thousand, four hundred forty-five".