64570045 has 8 divisors (see below), whose sum is σ = 77527296. Its totient is φ = 51627216.

The previous prime is 64570043. The next prime is 64570067. The reversal of 64570045 is 54007546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64570045 - 2¹ = 64570043 is a prime.

It is a super-2 number, since 2×64570045² = 8338581422604050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 64569989 and 64570016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64570043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14784 + ... + 18646.

It is an arithmetic number, because the mean of its divisors is an integer number (9690912).

Almost surely, 2^64570045 is an apocalyptic number.

It is an amenable number.

64570045 is a deficient number, since it is larger than the sum of its proper divisors (12957251).

64570045 is a wasteful number, since it uses less digits than its factorization.

64570045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 64570045 is about 8035.5488300427. The cubic root of 64570045 is about 401.1840851473.

The spelling of 64570045 in words is "sixty-four million, five hundred seventy thousand, forty-five".