45764321 has 4 divisors (see below), whose sum is σ = 45821700. Its totient is φ = 45706944.

The previous prime is 45764317. The next prime is 45764351. The reversal of 45764321 is 12346754.

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 42719296 + 3045025 = 6536^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 45764321 - 2² = 45764317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45764311) 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, 27476 + ... + 29093.

It is an arithmetic number, because the mean of its divisors is an integer number (11455425).

Almost surely, 2^45764321 is an apocalyptic number.

It is an amenable number.

45764321 is a deficient number, since it is larger than the sum of its proper divisors (57379).

45764321 is an equidigital number, since it uses as much as digits as its factorization.

45764321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57378.

The product of its digits is 20160, while the sum is 32.

The square root of 45764321 is about 6764.9331851837. The cubic root of 45764321 is about 357.6918194028.

The spelling of 45764321 in words is "forty-five million, seven hundred sixty-four thousand, three hundred twenty-one".