64434735 has 24 divisors (see below), whose sum is σ = 112205184. Its totient is φ = 34205760.

The previous prime is 64434703. The next prime is 64434749. The reversal of 64434735 is 53743446.

It is a happy number.

64434735 is a `hidden beast` number, since 644 + 3 + 4 + 7 + 3 + 5 = 666.

It is not a de Polignac number, because 64434735 - 2⁵ = 64434703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64434735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6825 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (4675216).

Almost surely, 2^64434735 is an apocalyptic number.

64434735 is a deficient number, since it is larger than the sum of its proper divisors (47770449).

64434735 is a wasteful number, since it uses less digits than its factorization.

64434735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655 (or 6652 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 64434735 is about 8027.1249523101. The cubic root of 64434735 is about 400.9036548989.

The spelling of 64434735 in words is "sixty-four million, four hundred thirty-four thousand, seven hundred thirty-five".