64064406 has 16 divisors (see below), whose sum is σ = 146433024. Its totient is φ = 18304104.

The previous prime is 64064389. The next prime is 64064411. The reversal of 64064406 is 60446046.

It is a super-2 number, since 2×64064406² = 8208496232265672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762630 + ... + 762713.

It is an arithmetic number, because the mean of its divisors is an integer number (9152064).

Almost surely, 2^64064406 is an apocalyptic number.

64064406 is an abundant number, since it is smaller than the sum of its proper divisors (82368618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64064406 is a wasteful number, since it uses less digits than its factorization.

64064406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525355.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64064406 is about 8004.0243627815. The cubic root of 64064406 is about 400.1341341817.

The spelling of 64064406 in words is "sixty-four million, sixty-four thousand, four hundred six".