64069772 has 24 divisors (see below), whose sum is σ = 121099776. Its totient is φ = 29484288.

The previous prime is 64069771. The next prime is 64069793. The reversal of 64069772 is 27796046.

It is not an unprimeable number, because it can be changed into a prime (64069771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18308 + ... + 21524.

It is an arithmetic number, because the mean of its divisors is an integer number (5045824).

Almost surely, 2^64069772 is an apocalyptic number.

It is an amenable number.

64069772 is a deficient number, since it is larger than the sum of its proper divisors (57030004).

64069772 is a wasteful number, since it uses less digits than its factorization.

64069772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3615 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 64069772 is about 8004.3595621386. The cubic root of 64069772 is about 400.1453055427.

The spelling of 64069772 in words is "sixty-four million, sixty-nine thousand, seven hundred seventy-two".