64354071 has 4 divisors (see below), whose sum is σ = 85805432. Its totient is φ = 42902712.

The previous prime is 64354067. The next prime is 64354079. The reversal of 64354071 is 17045346.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64354071 - 2² = 64354067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64354079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10725676 + ... + 10725681.

It is an arithmetic number, because the mean of its divisors is an integer number (21451358).

Almost surely, 2^64354071 is an apocalyptic number.

64354071 is a deficient number, since it is larger than the sum of its proper divisors (21451361).

64354071 is a wasteful number, since it uses less digits than its factorization.

64354071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451360.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 64354071 is about 8022.0989148726. The cubic root of 64354071 is about 400.7362917711.

The spelling of 64354071 in words is "sixty-four million, three hundred fifty-four thousand, seventy-one".