1745793397 has 4 divisors (see below), whose sum is σ = 1837677280. Its totient is φ = 1653909516.

The previous prime is 1745793391. The next prime is 1745793419. The reversal of 1745793397 is 7933975471.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7933975471 = 46349 ⋅171179.

It is a cyclic number.

It is not a de Polignac number, because 1745793397 - 2³ = 1745793389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745793391) 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, 45941913 + ... + 45941950.

It is an arithmetic number, because the mean of its divisors is an integer number (459419320).

Almost surely, 2^1745793397 is an apocalyptic number.

It is an amenable number.

1745793397 is a deficient number, since it is larger than the sum of its proper divisors (91883883).

1745793397 is an equidigital number, since it uses as much as digits as its factorization.

1745793397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91883882.

The product of its digits is 5000940, while the sum is 55.

The square root of 1745793397 is about 41782.6925532570. The cubic root of 1745793397 is about 1204.1047848395.

The spelling of 1745793397 in words is "one billion, seven hundred forty-five million, seven hundred ninety-three thousand, three hundred ninety-seven".