745146677 has 12 divisors (see below), whose sum is σ = 847292460. Its totient is φ = 654044160.

The previous prime is 745146673. The next prime is 745146691. The reversal of 745146677 is 776641547.

It can be written as a sum of positive squares in 2 ways, for example, as 489338641 + 255808036 = 22121^2 + 15994^2 .

It is not a de Polignac number, because 745146677 - 2² = 745146673 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 (745146671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102668 + ... + 109685.

It is an arithmetic number, because the mean of its divisors is an integer number (70607705).

Almost surely, 2^745146677 is an apocalyptic number.

It is an amenable number.

745146677 is a deficient number, since it is larger than the sum of its proper divisors (102145783).

745146677 is a wasteful number, since it uses less digits than its factorization.

745146677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212404 (or 212393 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The square root of 745146677 is about 27297.3749104195. The cubic root of 745146677 is about 906.5962597763.

The spelling of 745146677 in words is "seven hundred forty-five million, one hundred forty-six thousand, six hundred seventy-seven".