7264720044 has 72 divisors (see below), whose sum is σ = 18488957760. Its totient is φ = 2405099232.

The previous prime is 7264720033. The next prime is 7264720061. The reversal of 7264720044 is 4400274627.

It is a happy number.

7264720044 is a `hidden beast` number, since 7 + 2 + 647 + 2 + 0 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7264719990 and 7264720008.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4600047 + ... + 4601625.

It is an arithmetic number, because the mean of its divisors is an integer number (256791080).

Almost surely, 2^7264720044 is an apocalyptic number.

It is an amenable number.

7264720044 is an abundant number, since it is smaller than the sum of its proper divisors (11224237716).

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

7264720044 is a wasteful number, since it uses less digits than its factorization.

7264720044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 7264720044 is about 85233.3270733931. The cubic root of 7264720044 is about 1936.7473077882.

The spelling of 7264720044 in words is "seven billion, two hundred sixty-four million, seven hundred twenty thousand, forty-four".