745909929 has 6 divisors (see below), whose sum is σ = 1077425466. Its totient is φ = 497273280.

The previous prime is 745909903. The next prime is 745909933. The reversal of 745909929 is 929909547.

It can be written as a sum of positive squares in only one way, i.e., 558849600 + 187060329 = 23640^2 + 13677^2 .

It is not a de Polignac number, because 745909929 - 2⁵ = 745909897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745902929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41439432 + ... + 41439449.

It is an arithmetic number, because the mean of its divisors is an integer number (179570911).

Almost surely, 2^745909929 is an apocalyptic number.

It is an amenable number.

745909929 is a deficient number, since it is larger than the sum of its proper divisors (331515537).

745909929 is a wasteful number, since it uses less digits than its factorization.

745909929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82878887 (or 82878884 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 745909929 is about 27311.3516509161. The cubic root of 745909929 is about 906.9056956256.

The spelling of 745909929 in words is "seven hundred forty-five million, nine hundred nine thousand, nine hundred twenty-nine".