7273690 has 8 divisors (see below), whose sum is σ = 13092660. Its totient is φ = 2909472.

The previous prime is 7273663. The next prime is 7273691. The reversal of 7273690 is 963727.

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 160801 = 2667^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7273690² = 105813132432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7273691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363675 + ... + 363694.

Almost surely, 2^7273690 is an apocalyptic number.

7273690 is a deficient number, since it is larger than the sum of its proper divisors (5818970).

7273690 is a wasteful number, since it uses less digits than its factorization.

7273690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727376.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 7273690 is about 2696.9779383599. The cubic root of 7273690 is about 193.7544098892.

The spelling of 7273690 in words is "seven million, two hundred seventy-three thousand, six hundred ninety".