7274672730 has 96 divisors (see below), whose sum is σ = 20703206160. Its totient is φ = 1761315840.

The previous prime is 7274672729. The next prime is 7274672761. The reversal of 7274672730 is 372764727.

It can be written as a sum of positive squares in 8 ways, for example, as 1354755249 + 5919917481 = 36807^2 + 76941^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20406 + ... + 122334.

Almost surely, 2^7274672730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7274672730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10351603080).

7274672730 is an abundant number, since it is smaller than the sum of its proper divisors (13428533430).

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

7274672730 is a wasteful number, since it uses less digits than its factorization.

7274672730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102016 (or 102013 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The square root of 7274672730 is about 85291.6920338669. The cubic root of 7274672730 is about 1937.6313538695.

The spelling of 7274672730 in words is "seven billion, two hundred seventy-four million, six hundred seventy-two thousand, seven hundred thirty".