1720744364 has 12 divisors (see below), whose sum is σ = 3060668688. Its totient is φ = 846267600.

The previous prime is 1720744357. The next prime is 1720744387. The reversal of 1720744364 is 4634470271.

It is a super-2 number, since 2×1720744364² = 5921922332475528992, which contains 22 as substring.

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, 3525872 + ... + 3526359.

It is an arithmetic number, because the mean of its divisors is an integer number (255055724).

Almost surely, 2^1720744364 is an apocalyptic number.

It is an amenable number.

1720744364 is a deficient number, since it is larger than the sum of its proper divisors (1339924324).

1720744364 is a wasteful number, since it uses less digits than its factorization.

1720744364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052296 (or 7052294 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 1720744364 is about 41481.8558408372. The cubic root of 1720744364 is about 1198.3180984035.

The spelling of 1720744364 in words is "one billion, seven hundred twenty million, seven hundred forty-four thousand, three hundred sixty-four".