7397906 has 4 divisors (see below), whose sum is σ = 11096862. Its totient is φ = 3698952.

The previous prime is 7397879. The next prime is 7397909. The reversal of 7397906 is 6097937.

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

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 3575881 = 1955^2 + 1891^2 .

It is not an unprimeable number, because it can be changed into a prime (7397909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849475 + ... + 1849478.

Almost surely, 2^7397906 is an apocalyptic number.

7397906 is a deficient number, since it is larger than the sum of its proper divisors (3698956).

7397906 is a wasteful number, since it uses less digits than its factorization.

7397906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698955.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 7397906 is about 2719.9091896606. The cubic root of 7397906 is about 194.8511333680.

It can be divided in two parts, 73 and 97906, that added together give a palindrome (97979).

The spelling of 7397906 in words is "seven million, three hundred ninety-seven thousand, nine hundred six".