64726080830 has 16 divisors (see below), whose sum is σ = 116538748704. Its totient is φ = 25883364960.

The previous prime is 64726080829. The next prime is 64726080901. The reversal of 64726080830 is 3808062746.

It is a super-2 number, since 2×64726080830² (a number of 22 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, 844877 + ... + 918296.

It is an arithmetic number, because the mean of its divisors is an integer number (7283671794).

Almost surely, 2^64726080830 is an apocalyptic number.

64726080830 is a deficient number, since it is larger than the sum of its proper divisors (51812667874).

64726080830 is a wasteful number, since it uses less digits than its factorization.

64726080830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766851.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 64726080830 in words is "sixty-four billion, seven hundred twenty-six million, eighty thousand, eight hundred thirty".