64340582 has 4 divisors (see below), whose sum is σ = 96510876. Its totient is φ = 32170290.

The previous prime is 64340567. The next prime is 64340609. The reversal of 64340582 is 28504346.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16085144 + ... + 16085147.

It is an arithmetic number, because the mean of its divisors is an integer number (24127719).

Almost surely, 2^64340582 is an apocalyptic number.

64340582 is a deficient number, since it is larger than the sum of its proper divisors (32170294).

64340582 is a wasteful number, since it uses less digits than its factorization.

64340582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32170293.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 64340582 is about 8021.2581307423. The cubic root of 64340582 is about 400.7082909030.

The spelling of 64340582 in words is "sixty-four million, three hundred forty thousand, five hundred eighty-two".