746225217 has 40 divisors (see below), whose sum is σ = 1193761800. Its totient is φ = 462882816.

The previous prime is 746225191. The next prime is 746225257. The reversal of 746225217 is 712522647.

It is a happy number.

746225217 is a `hidden beast` number, since 7 + 4 + 622 + 5 + 21 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38452401 + 707772816 = 6201^2 + 26604^2 .

It is not a de Polignac number, because 746225217 - 2⁶ = 746225153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (746225257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119509 + ... + 125597.

It is an arithmetic number, because the mean of its divisors is an integer number (29844045).

Almost surely, 2^746225217 is an apocalyptic number.

It is an amenable number.

746225217 is a deficient number, since it is larger than the sum of its proper divisors (447536583).

746225217 is a wasteful number, since it uses less digits than its factorization.

746225217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207 (or 6198 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 746225217 is about 27317.1231464809. The cubic root of 746225217 is about 907.0334573449.

The spelling of 746225217 in words is "seven hundred forty-six million, two hundred twenty-five thousand, two hundred seventeen".