64407466 has 4 divisors (see below), whose sum is σ = 96611202. Its totient is φ = 32203732.

The previous prime is 64407461. The next prime is 64407481. The reversal of 64407466 is 66470446.

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

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 10751841 = 7325^2 + 3279^2 .

It is not an unprimeable number, because it can be changed into a prime (64407461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16101865 + ... + 16101868.

Almost surely, 2^64407466 is an apocalyptic number.

64407466 is a deficient number, since it is larger than the sum of its proper divisors (32203736).

64407466 is a wasteful number, since it uses less digits than its factorization.

64407466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32203735.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 64407466 is about 8025.4262192110. The cubic root of 64407466 is about 400.8470923202.

The spelling of 64407466 in words is "sixty-four million, four hundred seven thousand, four hundred sixty-six".