745783373 has 2 divisors, whose sum is σ = 745783374. Its totient is φ = 745783372.

The previous prime is 745783351. The next prime is 745783429. The reversal of 745783373 is 373387547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533702404 + 212080969 = 23102^2 + 14563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745783373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745783673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372891686 + 372891687.

It is an arithmetic number, because the mean of its divisors is an integer number (372891687).

Almost surely, 2^745783373 is an apocalyptic number.

It is an amenable number.

745783373 is a deficient number, since it is larger than the sum of its proper divisors (1).

745783373 is an equidigital number, since it uses as much as digits as its factorization.

745783373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 47.

The square root of 745783373 is about 27309.0346405727. The cubic root of 745783373 is about 906.8544021899.

The spelling of 745783373 in words is "seven hundred forty-five million, seven hundred eighty-three thousand, three hundred seventy-three".