7290436 has 12 divisors (see below), whose sum is σ = 12920320. Its totient is φ = 3598920.

The previous prime is 7290403. The next prime is 7290449. The reversal of 7290436 is 6340927.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7290398 and 7290407.

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, 11220 + ... + 11851.

Almost surely, 2^7290436 is an apocalyptic number.

It is an amenable number.

7290436 is a deficient number, since it is larger than the sum of its proper divisors (5629884).

7290436 is a wasteful number, since it uses less digits than its factorization.

7290436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23154 (or 23152 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7290436 is about 2700.0807395335. The cubic root of 7290436 is about 193.9029875959.

The spelling of 7290436 in words is "seven million, two hundred ninety thousand, four hundred thirty-six".