64727794 has 16 divisors (see below), whose sum is σ = 102394080. Its totient is φ = 30602880.

The previous prime is 64727791. The next prime is 64727801. The reversal of 64727794 is 49772746.

It is a super-2 number, since 2×64727794² = 8379374632212872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64727791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24309 + ... + 26839.

It is an arithmetic number, because the mean of its divisors is an integer number (6399630).

Almost surely, 2^64727794 is an apocalyptic number.

64727794 is a deficient number, since it is larger than the sum of its proper divisors (37666286).

64727794 is a wasteful number, since it uses less digits than its factorization.

64727794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225.

The product of its digits is 592704, while the sum is 46.

The square root of 64727794 is about 8045.3585376912. The cubic root of 64727794 is about 401.5105260970.

It can be divided in two parts, 647 and 27794, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 64727794 in words is "sixty-four million, seven hundred twenty-seven thousand, seven hundred ninety-four".