7452064645 has 4 divisors (see below), whose sum is σ = 8942477580. Its totient is φ = 5961651712.

The previous prime is 7452064601. The next prime is 7452064657. The reversal of 7452064645 is 5464602547.

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 5856381729 + 1595682916 = 76527^2 + 39946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7452064645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745206460 + ... + 745206469.

It is an arithmetic number, because the mean of its divisors is an integer number (2235619395).

Almost surely, 2^7452064645 is an apocalyptic number.

It is an amenable number.

7452064645 is a deficient number, since it is larger than the sum of its proper divisors (1490412935).

7452064645 is a wasteful number, since it uses less digits than its factorization.

7452064645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490412934.

The product of its (nonzero) digits is 806400, while the sum is 43.

The square root of 7452064645 is about 86325.3418469918. The cubic root of 7452064645 is about 1953.2546694906.

The spelling of 7452064645 in words is "seven billion, four hundred fifty-two million, sixty-four thousand, six hundred forty-five".