7274756280 has 256 divisors, whose sum is σ = 25826895360. Its totient is φ = 1619148800.

The previous prime is 7274756261. The next prime is 7274756287. The reversal of 7274756280 is 826574727.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7274756287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 916087 + ... + 923993.

It is an arithmetic number, because the mean of its divisors is an integer number (100886310).

Almost surely, 2^7274756280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7274756280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12913447680).

7274756280 is an abundant number, since it is smaller than the sum of its proper divisors (18552139080).

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

7274756280 is a wasteful number, since it uses less digits than its factorization.

7274756280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7986 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 7274756280 is about 85292.1818222514. The cubic root of 7274756280 is about 1937.6387717738.

The spelling of 7274756280 in words is "seven billion, two hundred seventy-four million, seven hundred fifty-six thousand, two hundred eighty".