745867745 has 16 divisors (see below), whose sum is σ = 1030270080. Its totient is φ = 507769344.

The previous prime is 745867739. The next prime is 745867751. The reversal of 745867745 is 547768547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (745867739) and next prime (745867751).

It is a cyclic number.

It is not a de Polignac number, because 745867745 - 2¹⁴ = 745851361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71792 + ... + 81521.

It is an arithmetic number, because the mean of its divisors is an integer number (64391880).

Almost surely, 2^745867745 is an apocalyptic number.

It is an amenable number.

745867745 is a deficient number, since it is larger than the sum of its proper divisors (284402335).

745867745 is a wasteful number, since it uses less digits than its factorization.

745867745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153464.

The product of its digits is 6585600, while the sum is 53.

The square root of 745867745 is about 27310.5793603871. The cubic root of 745867745 is about 906.8885989988. Note that the first 3 decimals are identical.

The spelling of 745867745 in words is "seven hundred forty-five million, eight hundred sixty-seven thousand, seven hundred forty-five".