7271490 has 32 divisors (see below), whose sum is σ = 18371520. Its totient is φ = 1836864.

The previous prime is 7271483. The next prime is 7271497. The reversal of 7271490 is 941727.

7271490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7271483) and next prime (7271497).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7271497) 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, 5809 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (574110).

Almost surely, 2^7271490 is an apocalyptic number.

7271490 is an abundant number, since it is smaller than the sum of its proper divisors (11100030).

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

7271490 is a wasteful number, since it uses less digits than its factorization.

7271490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 7271490 is about 2696.5700435924. The cubic root of 7271490 is about 193.7348736023.

The spelling of 7271490 in words is "seven million, two hundred seventy-one thousand, four hundred ninety".