1745640516 has 24 divisors (see below), whose sum is σ = 4081470624. Its totient is φ = 580693120.

The previous prime is 1745640511. The next prime is 1745640517. The reversal of 1745640516 is 6150465471.

It is a super-2 number, since 2×1745640516² = 6094521622201492512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1745640511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142245 + ... + 154028.

It is an arithmetic number, because the mean of its divisors is an integer number (170061276).

Almost surely, 2^1745640516 is an apocalyptic number.

It is an amenable number.

1745640516 is an abundant number, since it is smaller than the sum of its proper divisors (2335830108).

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

1745640516 is a wasteful number, since it uses less digits than its factorization.

1745640516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296771 (or 296769 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1745640516 is about 41780.8630356052. The cubic root of 1745640516 is about 1204.0696355643.

The spelling of 1745640516 in words is "one billion, seven hundred forty-five million, six hundred forty thousand, five hundred sixteen".