7266690 has 48 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 1924128.

The previous prime is 7266673. The next prime is 7266697. The reversal of 7266690 is 966627.

It is a super-2 number, since 2×7266690² = 105609567112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7266697) 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 in 23 ways as a sum of consecutive naturals, for example, 23517 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (396396).

Almost surely, 2^7266690 is an apocalyptic number.

7266690 is an abundant number, since it is smaller than the sum of its proper divisors (11760318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7266690 is a wasteful number, since it uses less digits than its factorization.

7266690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7266690 is about 2695.6798771367. The cubic root of 7266690 is about 193.6922352945.

The spelling of 7266690 in words is "seven million, two hundred sixty-six thousand, six hundred ninety".