64650741 has 8 divisors (see below), whose sum is σ = 86289504. Its totient is φ = 43056240.

The previous prime is 64650739. The next prime is 64650763. The reversal of 64650741 is 14705646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64650741 - 2¹ = 64650739 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64650721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7491 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (10786188).

Almost surely, 2^64650741 is an apocalyptic number.

It is an amenable number.

64650741 is a deficient number, since it is larger than the sum of its proper divisors (21638763).

64650741 is a wasteful number, since it uses less digits than its factorization.

64650741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64650741 is about 8040.5684500538. The cubic root of 64650741 is about 401.3511413207.

The spelling of 64650741 in words is "sixty-four million, six hundred fifty thousand, seven hundred forty-one".