1720764748 has 12 divisors (see below), whose sum is σ = 3011631840. Its totient is φ = 860298512.

The previous prime is 1720764737. The next prime is 1720764751. The reversal of 1720764748 is 8474670271.

It is a super-2 number, since 2×1720764748² = 5922062635919007008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1720764698 and 1720764707.

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, 59598 + ... + 83626.

It is an arithmetic number, because the mean of its divisors is an integer number (250969320).

Almost surely, 2^1720764748 is an apocalyptic number.

It is an amenable number.

1720764748 is a deficient number, since it is larger than the sum of its proper divisors (1290867092).

1720764748 is a wasteful number, since it uses less digits than its factorization.

1720764748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41936 (or 41934 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 1720764748 is about 41482.1015378922. The cubic root of 1720764748 is about 1198.3228301580.

The spelling of 1720764748 in words is "one billion, seven hundred twenty million, seven hundred sixty-four thousand, seven hundred forty-eight".