64535427 has 32 divisors (see below), whose sum is σ = 104924160. Its totient is φ = 38878560.

The previous prime is 64535423. The next prime is 64535453. The reversal of 64535427 is 72453546.

64535427 is a `hidden beast` number, since 64 + 53 + 542 + 7 = 666.

It is not a de Polignac number, because 64535427 - 2² = 64535423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64535391 and 64535400.

It is not an unprimeable number, because it can be changed into a prime (64535423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57958 + ... + 59060.

It is an arithmetic number, because the mean of its divisors is an integer number (3278880).

Almost surely, 2^64535427 is an apocalyptic number.

64535427 is a deficient number, since it is larger than the sum of its proper divisors (40388733).

64535427 is a wasteful number, since it uses less digits than its factorization.

64535427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1314 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 64535427 is about 8033.3944880107. The cubic root of 64535427 is about 401.1123765949.

The spelling of 64535427 in words is "sixty-four million, five hundred thirty-five thousand, four hundred twenty-seven".