45726757 has 4 divisors (see below), whose sum is σ = 46589580. Its totient is φ = 44863936.

The previous prime is 45726743. The next prime is 45726761. The reversal of 45726757 is 75762754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 26357956 = 4401^2 + 5134^2 .

It is a cyclic number.

It is not a de Polignac number, because 45726757 - 2²³ = 37338149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45726797) 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, 431332 + ... + 431437.

It is an arithmetic number, because the mean of its divisors is an integer number (11647395).

Almost surely, 2^45726757 is an apocalyptic number.

It is an amenable number.

45726757 is a deficient number, since it is larger than the sum of its proper divisors (862823).

45726757 is an equidigital number, since it uses as much as digits as its factorization.

45726757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862822.

The product of its digits is 411600, while the sum is 43.

The square root of 45726757 is about 6762.1562389522. The cubic root of 45726757 is about 357.5939264509.

The spelling of 45726757 in words is "forty-five million, seven hundred twenty-six thousand, seven hundred fifty-seven".