64707653 has 4 divisors (see below), whose sum is σ = 64726848. Its totient is φ = 64688460.

The previous prime is 64707649. The next prime is 64707659. The reversal of 64707653 is 35670746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64707653 - 2² = 64707649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64707659) 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, 3053 + ... + 11778.

It is an arithmetic number, because the mean of its divisors is an integer number (16181712).

Almost surely, 2^64707653 is an apocalyptic number.

It is an amenable number.

64707653 is a deficient number, since it is larger than the sum of its proper divisors (19195).

64707653 is a wasteful number, since it uses less digits than its factorization.

64707653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19194.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 64707653 is about 8044.1067248017. The cubic root of 64707653 is about 401.4688764854.

The spelling of 64707653 in words is "sixty-four million, seven hundred seven thousand, six hundred fifty-three".