745047075 has 12 divisors (see below), whose sum is σ = 1231811288. Its totient is φ = 397358400.

The previous prime is 745047013. The next prime is 745047077. The reversal of 745047075 is 570740547.

It is not a de Polignac number, because 745047075 - 2⁶ = 745047011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745047077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4966906 + ... + 4967055.

Almost surely, 2^745047075 is an apocalyptic number.

745047075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

745047075 is a deficient number, since it is larger than the sum of its proper divisors (486764213).

745047075 is a wasteful number, since it uses less digits than its factorization.

745047075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933974 (or 9933969 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 745047075 is about 27295.5504615679. The cubic root of 745047075 is about 906.5558637813. Note that the first 3 decimals are identical.

The spelling of 745047075 in words is "seven hundred forty-five million, forty-seven thousand, seventy-five".