745751 has 2 divisors, whose sum is σ = 745752. Its totient is φ = 745750.

The previous prime is 745747. The next prime is 745753. The reversal of 745751 is 157547.

745751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745751 - 2² = 745747 is a prime.

It is a super-2 number, since 2×745751² = 1112289108002, which contains 22 as substring.

Together with 745753, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372875 + 372876.

It is an arithmetic number, because the mean of its divisors is an integer number (372876).

2⁷⁴⁵⁷⁵¹ is an apocalyptic number.

745751 is a deficient number, since it is larger than the sum of its proper divisors (1).

745751 is an equidigital number, since it uses as much as digits as its factorization.

745751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4900, while the sum is 29.

The square root of 745751 is about 863.5687581195. The cubic root of 745751 is about 90.6841280407.

The spelling of 745751 in words is "seven hundred forty-five thousand, seven hundred fifty-one".