1723979264 has 40 divisors (see below), whose sum is σ = 3936684048. Its totient is φ = 738846720.

The previous prime is 1723979227. The next prime is 1723979287. The reversal of 1723979264 is 4629793271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236927 + ... + 244094.

Almost surely, 2^1723979264 is an apocalyptic number.

1723979264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1723979264 is an abundant number, since it is smaller than the sum of its proper divisors (2212704784).

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

1723979264 is an frugal number, since it uses more digits than its factorization.

1723979264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481046 (or 481030 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 1723979264 is about 41520.8292788090. The cubic root of 1723979264 is about 1199.0685512638.

The spelling of 1723979264 in words is "one billion, seven hundred twenty-three million, nine hundred seventy-nine thousand, two hundred sixty-four".