64746633 has 32 divisors (see below), whose sum is σ = 105762816. Its totient is φ = 34423488.

The previous prime is 64746629. The next prime is 64746637. The reversal of 64746633 is 33664746.

It is an interprime number because it is at equal distance from previous prime (64746629) and next prime (64746637).

It is not a de Polignac number, because 64746633 - 2² = 64746629 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 64746591 and 64746600.

It is not an unprimeable number, because it can be changed into a prime (64746637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16060 + ... + 19682.

It is an arithmetic number, because the mean of its divisors is an integer number (3305088).

Almost surely, 2^64746633 is an apocalyptic number.

It is an amenable number.

64746633 is a deficient number, since it is larger than the sum of its proper divisors (41016183).

64746633 is a wasteful number, since it uses less digits than its factorization.

64746633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693.

The product of its digits is 217728, while the sum is 39.

The square root of 64746633 is about 8046.5292517955. The cubic root of 64746633 is about 401.5494754808.

The spelling of 64746633 in words is "sixty-four million, seven hundred forty-six thousand, six hundred thirty-three".