45747217 has 4 divisors (see below), whose sum is σ = 46391616. Its totient is φ = 45102820.

The previous prime is 45747211. The next prime is 45747223. The reversal of 45747217 is 71274754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71274754 = 2 ⋅35637377.

It is an interprime number because it is at equal distance from previous prime (45747211) and next prime (45747223).

It is a cyclic number.

It is not a de Polignac number, because 45747217 - 2¹¹ = 45745169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45747211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322093 + ... + 322234.

It is an arithmetic number, because the mean of its divisors is an integer number (11597904).

Almost surely, 2^45747217 is an apocalyptic number.

It is an amenable number.

45747217 is a deficient number, since it is larger than the sum of its proper divisors (644399).

45747217 is an equidigital number, since it uses as much as digits as its factorization.

45747217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644398.

The product of its digits is 54880, while the sum is 37.

The square root of 45747217 is about 6763.6689008259. The cubic root of 45747217 is about 357.6472524921.

It can be divided in two parts, 457 and 47217, that added together give a palindrome (47674).

The spelling of 45747217 in words is "forty-five million, seven hundred forty-seven thousand, two hundred seventeen".