64483745 has 4 divisors (see below), whose sum is σ = 77380500. Its totient is φ = 51586992.

The previous prime is 64483717. The next prime is 64483759. The reversal of 64483745 is 54738446.

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 50225569 + 14258176 = 7087^2 + 3776^2 .

It is a cyclic number.

It is not a de Polignac number, because 64483745 - 2²² = 60289441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6448370 + ... + 6448379.

It is an arithmetic number, because the mean of its divisors is an integer number (19345125).

Almost surely, 2^64483745 is an apocalyptic number.

It is an amenable number.

64483745 is a deficient number, since it is larger than the sum of its proper divisors (12896755).

64483745 is a wasteful number, since it uses less digits than its factorization.

64483745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896754.

The product of its digits is 322560, while the sum is 41.

The square root of 64483745 is about 8030.1771462403. The cubic root of 64483745 is about 401.0052735297.

The spelling of 64483745 in words is "sixty-four million, four hundred eighty-three thousand, seven hundred forty-five".