745813047 has 16 divisors (see below), whose sum is σ = 1136966912. Its totient is φ = 425995200.

The previous prime is 745813043. The next prime is 745813051. The reversal of 745813047 is 740318547.

745813047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (745813043) and next prime (745813051).

It is not a de Polignac number, because 745813047 - 2² = 745813043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745812996 and 745813014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745813043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53643 + ... + 66099.

It is an arithmetic number, because the mean of its divisors is an integer number (71060432).

Almost surely, 2^745813047 is an apocalyptic number.

745813047 is a deficient number, since it is larger than the sum of its proper divisors (391153865).

745813047 is a wasteful number, since it uses less digits than its factorization.

745813047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 745813047 is about 27309.5779352227. The cubic root of 745813047 is about 906.8664296506.

The spelling of 745813047 in words is "seven hundred forty-five million, eight hundred thirteen thousand, forty-seven".