64450562 has 8 divisors (see below), whose sum is σ = 105464592. Its totient is φ = 29295700.

The previous prime is 64450543. The next prime is 64450571. The reversal of 64450562 is 26505446.

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

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, 1464764 + ... + 1464807.

It is an arithmetic number, because the mean of its divisors is an integer number (13183074).

Almost surely, 2^64450562 is an apocalyptic number.

64450562 is a deficient number, since it is larger than the sum of its proper divisors (41014030).

64450562 is a wasteful number, since it uses less digits than its factorization.

64450562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929584.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 64450562 is about 8028.1107366553. The cubic root of 64450562 is about 400.9364766510.

Subtracting from 64450562 its reverse (26505446), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 64450562 in words is "sixty-four million, four hundred fifty thousand, five hundred sixty-two".