64826069 has 24 divisors (see below), whose sum is σ = 84208608. Its totient is φ = 49321440.

The previous prime is 64826017. The next prime is 64826077. The reversal of 64826069 is 96062846.

It is a de Polignac number, because none of the positive numbers 2^k-64826069 is a prime.

It is a super-2 number, since 2×64826069² = 8404838443985522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64826009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21779 + ... + 24575.

It is an arithmetic number, because the mean of its divisors is an integer number (3508692).

Almost surely, 2^64826069 is an apocalyptic number.

It is an amenable number.

64826069 is a deficient number, since it is larger than the sum of its proper divisors (19382539).

64826069 is a wasteful number, since it uses less digits than its factorization.

64826069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 64826069 is about 8051.4637799595. The cubic root of 64826069 is about 401.7136253205.

The spelling of 64826069 in words is "sixty-four million, eight hundred twenty-six thousand, sixty-nine".