7264724072 has 16 divisors (see below), whose sum is σ = 13953586500. Its totient is φ = 3543767680.

The previous prime is 7264724069. The next prime is 7264724099. The reversal of 7264724072 is 2704274627.

It can be written as a sum of positive squares in 2 ways, for example, as 6353046436 + 911677636 = 79706^2 + 30194^2 .

It is a super-2 number, since 2×7264724072² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11073947 + ... + 11074602.

Almost surely, 2^7264724072 is an apocalyptic number.

It is an amenable number.

7264724072 is a deficient number, since it is larger than the sum of its proper divisors (6688862428).

7264724072 is a wasteful number, since it uses less digits than its factorization.

7264724072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148596 (or 22148592 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The square root of 7264724072 is about 85233.3507026446. The cubic root of 7264724072 is about 1936.7476657381.

Adding to 7264724072 its reverse (2704274627), we get a palindrome (9968998699).

The spelling of 7264724072 in words is "seven billion, two hundred sixty-four million, seven hundred twenty-four thousand, seventy-two".