8742624628 has 24 divisors (see below), whose sum is σ = 15436108800. Its totient is φ = 4332379968.

The previous prime is 8742624581. The next prime is 8742624643. The reversal of 8742624628 is 8264262478.

It is a happy number.

It is a super-2 number, since 2×8742624628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509208 + ... + 526096.

It is an arithmetic number, because the mean of its divisors is an integer number (643171200).

Almost surely, 2^8742624628 is an apocalyptic number.

It is an amenable number.

8742624628 is a deficient number, since it is larger than the sum of its proper divisors (6693484172).

8742624628 is a wasteful number, since it uses less digits than its factorization.

8742624628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18039 (or 18037 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The square root of 8742624628 is about 93502.0033368270. The cubic root of 8742624628 is about 2060.0635154954.

The spelling of 8742624628 in words is "eight billion, seven hundred forty-two million, six hundred twenty-four thousand, six hundred twenty-eight".