64011634 has 4 divisors (see below), whose sum is σ = 96017454. Its totient is φ = 32005816.

The previous prime is 64011617. The next prime is 64011641. The reversal of 64011634 is 43611046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43611046 = 2 ⋅21805523.

It can be written as a sum of positive squares in only one way, i.e., 47568609 + 16443025 = 6897^2 + 4055^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64011599 and 64011608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16002907 + ... + 16002910.

Almost surely, 2^64011634 is an apocalyptic number.

64011634 is a deficient number, since it is larger than the sum of its proper divisors (32005820).

64011634 is a wasteful number, since it uses less digits than its factorization.

64011634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32005819.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64011634 is about 8000.7270919586. The cubic root of 64011634 is about 400.0242360315.

The spelling of 64011634 in words is "sixty-four million, eleven thousand, six hundred thirty-four".