64260634 has 8 divisors (see below), whose sum is σ = 96601428. Its totient is φ = 32060160.

The previous prime is 64260593. The next prime is 64260739. The reversal of 64260634 is 43606246.

It can be written as a sum of positive squares in 2 ways, for example, as 58752225 + 5508409 = 7665^2 + 2347^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64260596 and 64260605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33927 + ... + 35770.

Almost surely, 2^64260634 is an apocalyptic number.

64260634 is a deficient number, since it is larger than the sum of its proper divisors (32340794).

64260634 is a wasteful number, since it uses less digits than its factorization.

64260634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70160.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 64260634 is about 8016.2730741910. The cubic root of 64260634 is about 400.5422520745.

The spelling of 64260634 in words is "sixty-four million, two hundred sixty thousand, six hundred thirty-four".