7270890 has 48 divisors (see below), whose sum is σ = 19190304. Its totient is φ = 1761760.

The previous prime is 7270871. The next prime is 7270891. The reversal of 7270890 is 980727.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7270891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (399798).

Almost surely, 2^7270890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7270890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9595152).

7270890 is an abundant number, since it is smaller than the sum of its proper divisors (11919414).

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

7270890 is a wasteful number, since it uses less digits than its factorization.

7270890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 7270890 is about 2696.4587888562. The cubic root of 7270890 is about 193.7295448402.

The spelling of 7270890 in words is "seven million, two hundred seventy thousand, eight hundred ninety".