7275090 has 32 divisors (see below), whose sum is σ = 17542656. Its totient is φ = 1930880.

The previous prime is 7275077. The next prime is 7275091. The reversal of 7275090 is 905727.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7275091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7999 + ... + 8861.

It is an arithmetic number, because the mean of its divisors is an integer number (548208).

Almost surely, 2^7275090 is an apocalyptic number.

7275090 is an abundant number, since it is smaller than the sum of its proper divisors (10267566).

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

7275090 is a wasteful number, since it uses less digits than its factorization.

7275090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 7275090 is about 2697.2374756406. The cubic root of 7275090 is about 193.7668400209.

The spelling of 7275090 in words is "seven million, two hundred seventy-five thousand, ninety".