7259906 has 4 divisors (see below), whose sum is σ = 10889862. Its totient is φ = 3629952.

The previous prime is 7259899. The next prime is 7259909. The reversal of 7259906 is 6099527.

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., 5593225 + 1666681 = 2365^2 + 1291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7259906.

It is not an unprimeable number, because it can be changed into a prime (7259909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814975 + ... + 1814978.

Almost surely, 2^7259906 is an apocalyptic number.

7259906 is a deficient number, since it is larger than the sum of its proper divisors (3629956).

7259906 is a wasteful number, since it uses less digits than its factorization.

7259906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629955.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 7259906 is about 2694.4212736690. The cubic root of 7259906 is about 193.6319411190.

The spelling of 7259906 in words is "seven million, two hundred fifty-nine thousand, nine hundred six".