64952757 has 6 divisors (see below), whose sum is σ = 93820662. Its totient is φ = 43301832.

The previous prime is 64952749. The next prime is 64952809. The reversal of 64952757 is 75725946.

It can be written as a sum of positive squares in only one way, i.e., 62110161 + 2842596 = 7881^2 + 1686^2 .

It is not a de Polignac number, because 64952757 - 2³ = 64952749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64952707) 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 5 ways as a sum of consecutive naturals, for example, 3608478 + ... + 3608495.

It is an arithmetic number, because the mean of its divisors is an integer number (15636777).

Almost surely, 2^64952757 is an apocalyptic number.

It is an amenable number.

64952757 is a deficient number, since it is larger than the sum of its proper divisors (28867905).

64952757 is a wasteful number, since it uses less digits than its factorization.

64952757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216979 (or 7216976 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 64952757 is about 8059.3273292503. The cubic root of 64952757 is about 401.9751414048.

The spelling of 64952757 in words is "sixty-four million, nine hundred fifty-two thousand, seven hundred fifty-seven".