7236573730 has 8 divisors (see below), whose sum is σ = 13025832732. Its totient is φ = 2894629488.

The previous prime is 7236573727. The next prime is 7236573739. The reversal of 7236573730 is 373756327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7132309209 + 104264521 = 84453^2 + 10211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7236573730² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7236573739) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 361828677 + ... + 361828696.

Almost surely, 2^7236573730 is an apocalyptic number.

7236573730 is a deficient number, since it is larger than the sum of its proper divisors (5789259002).

7236573730 is a wasteful number, since it uses less digits than its factorization.

7236573730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723657380.

The product of its (nonzero) digits is 555660, while the sum is 43.

The square root of 7236573730 is about 85068.0535218715. The cubic root of 7236573730 is about 1934.2428364078.

The spelling of 7236573730 in words is "seven billion, two hundred thirty-six million, five hundred seventy-three thousand, seven hundred thirty".