64070523 has 24 divisors (see below), whose sum is σ = 101439936. Its totient is φ = 38646000.

The previous prime is 64070509. The next prime is 64070533. The reversal of 64070523 is 32507046.

It is a happy number.

It is not a de Polignac number, because 64070523 - 2⁸ = 64070267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64070533) 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, 21048 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (4226664).

Almost surely, 2^64070523 is an apocalyptic number.

64070523 is a deficient number, since it is larger than the sum of its proper divisors (37369413).

64070523 is a wasteful number, since it uses less digits than its factorization.

64070523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 64070523 is about 8004.4064739367. The cubic root of 64070523 is about 400.1468689838.

Adding to 64070523 its reverse (32507046), we get a palindrome (96577569).

The spelling of 64070523 in words is "sixty-four million, seventy thousand, five hundred twenty-three".