3746446064 has 20 divisors (see below), whose sum is σ = 7260811320. Its totient is φ = 1872688320.

The previous prime is 3746446031. The next prime is 3746446141. The reversal of 3746446064 is 4606446473.

It is a happy number.

It is a super-2 number, since 2×3746446064² = 28071716220922184192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27779 + ... + 90909.

It is an arithmetic number, because the mean of its divisors is an integer number (363040566).

Almost surely, 2^3746446064 is an apocalyptic number.

It is an amenable number.

3746446064 is a deficient number, since it is larger than the sum of its proper divisors (3514365256).

3746446064 is a wasteful number, since it uses less digits than its factorization.

3746446064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66848 (or 66842 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 44.

The square root of 3746446064 is about 61208.2189252391. The cubic root of 3746446064 is about 1553.1253020518.

The spelling of 3746446064 in words is "three billion, seven hundred forty-six million, four hundred forty-six thousand, sixty-four".