64914733 has 4 divisors (see below), whose sum is σ = 69908188. Its totient is φ = 59921280.

The previous prime is 64914701. The next prime is 64914743. The reversal of 64914733 is 33741946.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4743684 + 60171049 = 2178^2 + 7757^2 .

It is a cyclic number.

It is not a de Polignac number, because 64914733 - 2⁵ = 64914701 is a prime.

It is a super-2 number, since 2×64914733² = 8427845120922578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64914692 and 64914701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64914743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496708 + ... + 2496733.

It is an arithmetic number, because the mean of its divisors is an integer number (17477047).

Almost surely, 2^64914733 is an apocalyptic number.

It is an amenable number.

64914733 is a deficient number, since it is larger than the sum of its proper divisors (4993455).

64914733 is a wasteful number, since it uses less digits than its factorization.

64914733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993454.

The product of its digits is 54432, while the sum is 37.

The square root of 64914733 is about 8056.9679780920. The cubic root of 64914733 is about 401.8966859907.

The spelling of 64914733 in words is "sixty-four million, nine hundred fourteen thousand, seven hundred thirty-three".