7628712344 has 32 divisors (see below), whose sum is σ = 16425460800. Its totient is φ = 3285090720.

The previous prime is 7628712307. The next prime is 7628712349. The reversal of 7628712344 is 4432178267.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 7628712295 and 7628712304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628712349) 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 7 ways as a sum of consecutive naturals, for example, 2279642 + ... + 2282985.

It is an arithmetic number, because the mean of its divisors is an integer number (513295650).

Almost surely, 2^7628712344 is an apocalyptic number.

It is an amenable number.

7628712344 is an abundant number, since it is smaller than the sum of its proper divisors (8796748456).

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

7628712344 is a wasteful number, since it uses less digits than its factorization.

7628712344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562663 (or 4562659 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 7628712344 is about 87342.5002161033. The cubic root of 7628712344 is about 1968.5679633701.

The spelling of 7628712344 in words is "seven billion, six hundred twenty-eight million, seven hundred twelve thousand, three hundred forty-four".