64542435 has 8 divisors (see below), whose sum is σ = 103267920. Its totient is φ = 34422624.

The previous prime is 64542433. The next prime is 64542461. The reversal of 64542435 is 53424546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64542435 - 2¹ = 64542433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64542396 and 64542405.

It is not an unprimeable number, because it can be changed into a prime (64542431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151400 + ... + 2151429.

It is an arithmetic number, because the mean of its divisors is an integer number (12908490).

Almost surely, 2^64542435 is an apocalyptic number.

64542435 is a deficient number, since it is larger than the sum of its proper divisors (38725485).

64542435 is a wasteful number, since it uses less digits than its factorization.

64542435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302837.

The product of its digits is 57600, while the sum is 33.

The square root of 64542435 is about 8033.8306554221. The cubic root of 64542435 is about 401.1268952033.

The spelling of 64542435 in words is "sixty-four million, five hundred forty-two thousand, four hundred thirty-five".