7392745 has 4 divisors (see below), whose sum is σ = 8871300. Its totient is φ = 5914192.

The previous prime is 7392719. The next prime is 7392761. The reversal of 7392745 is 5472937.

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 1879641 + 5513104 = 1371^2 + 2348^2 .

It is a cyclic number.

It is not a de Polignac number, because 7392745 - 2⁷ = 7392617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739270 + ... + 739279.

It is an arithmetic number, because the mean of its divisors is an integer number (2217825).

Almost surely, 2^7392745 is an apocalyptic number.

It is an amenable number.

7392745 is a deficient number, since it is larger than the sum of its proper divisors (1478555).

7392745 is a wasteful number, since it uses less digits than its factorization.

7392745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478554.

The product of its digits is 52920, while the sum is 37.

The square root of 7392745 is about 2718.9602792244. The cubic root of 7392745 is about 194.8058115052.

The spelling of 7392745 in words is "seven million, three hundred ninety-two thousand, seven hundred forty-five".