1724772313 has 4 divisors (see below), whose sum is σ = 1881569808. Its totient is φ = 1567974820.

The previous prime is 1724772293. The next prime is 1724772337. The reversal of 1724772313 is 3132774271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1724772313 - 2²⁵ = 1691217881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1724772373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78398731 + ... + 78398752.

It is an arithmetic number, because the mean of its divisors is an integer number (470392452).

Almost surely, 2^1724772313 is an apocalyptic number.

It is an amenable number.

1724772313 is a deficient number, since it is larger than the sum of its proper divisors (156797495).

1724772313 is a wasteful number, since it uses less digits than its factorization.

1724772313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156797494.

The product of its digits is 49392, while the sum is 37.

The square root of 1724772313 is about 41530.3781947624. The cubic root of 1724772313 is about 1199.2523845542.

The spelling of 1724772313 in words is "one billion, seven hundred twenty-four million, seven hundred seventy-two thousand, three hundred thirteen".