7291480 has 32 divisors (see below), whose sum is σ = 18750240. Its totient is φ = 2499840.

The previous prime is 7291477. The next prime is 7291489. The reversal of 7291480 is 841927.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7291489) 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 7 ways as a sum of consecutive naturals, for example, 12741 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (585945).

Almost surely, 2^7291480 is an apocalyptic number.

7291480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7291480 is an abundant number, since it is smaller than the sum of its proper divisors (11458760).

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

7291480 is a wasteful number, since it uses less digits than its factorization.

7291480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26059 (or 26055 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7291480 is about 2700.2740601650. The cubic root of 7291480 is about 193.9122428748.

It can be divided in two parts, 729 and 1480, that added together give a square (2209 = 47²).

The spelling of 7291480 in words is "seven million, two hundred ninety-one thousand, four hundred eighty".