64842562 has 4 divisors (see below), whose sum is σ = 97263846. Its totient is φ = 32421280.

The previous prime is 64842553. The next prime is 64842577. The reversal of 64842562 is 26524846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26524846 = 2 ⋅13262423.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 21427641 = 6589^2 + 4629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210639 + ... + 16210642.

Almost surely, 2^64842562 is an apocalyptic number.

64842562 is a deficient number, since it is larger than the sum of its proper divisors (32421284).

64842562 is a wasteful number, since it uses less digits than its factorization.

64842562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32421283.

The product of its digits is 92160, while the sum is 37.

The square root of 64842562 is about 8052.4879385194. The cubic root of 64842562 is about 401.7476903251.

The spelling of 64842562 in words is "sixty-four million, eight hundred forty-two thousand, five hundred sixty-two".