64454426 has 4 divisors (see below), whose sum is σ = 96681642. Its totient is φ = 32227212.

The previous prime is 64454393. The next prime is 64454431. The reversal of 64454426 is 62445446.

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., 54538225 + 9916201 = 7385^2 + 3149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16113605 + ... + 16113608.

Almost surely, 2^64454426 is an apocalyptic number.

64454426 is a deficient number, since it is larger than the sum of its proper divisors (32227216).

64454426 is a wasteful number, since it uses less digits than its factorization.

64454426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32227215.

The product of its digits is 92160, while the sum is 35.

The square root of 64454426 is about 8028.3513874269. The cubic root of 64454426 is about 400.9444889297.

The spelling of 64454426 in words is "sixty-four million, four hundred fifty-four thousand, four hundred twenty-six".