64774634 has 8 divisors (see below), whose sum is σ = 97241088. Its totient is φ = 32360940.

The previous prime is 64774627. The next prime is 64774643. The reversal of 64774634 is 43647746.

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 = 64774591 and 64774600.

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, 9962 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (12155136).

Almost surely, 2^64774634 is an apocalyptic number.

64774634 is a deficient number, since it is larger than the sum of its proper divisors (32466454).

64774634 is a wasteful number, since it uses less digits than its factorization.

64774634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26380.

The product of its digits is 338688, while the sum is 41.

The square root of 64774634 is about 8048.2690064386. The cubic root of 64774634 is about 401.6073532209.

It can be divided in two parts, 6477 and 4634, that added together give a palindrome (11111).

The spelling of 64774634 in words is "sixty-four million, seven hundred seventy-four thousand, six hundred thirty-four".