64074563 has 4 divisors (see below), whose sum is σ = 73228080. Its totient is φ = 54921048.

The previous prime is 64074559. The next prime is 64074623. The reversal of 64074563 is 36547046.

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

It is not a de Polignac number, because 64074563 - 2² = 64074559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64074553) 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, 4576748 + ... + 4576761.

It is an arithmetic number, because the mean of its divisors is an integer number (18307020).

Almost surely, 2^64074563 is an apocalyptic number.

64074563 is a deficient number, since it is larger than the sum of its proper divisors (9153517).

64074563 is an equidigital number, since it uses as much as digits as its factorization.

64074563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153516.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 64074563 is about 8004.6588309559. The cubic root of 64074563 is about 400.1552792964.

The spelling of 64074563 in words is "sixty-four million, seventy-four thousand, five hundred sixty-three".