64354630 has 16 divisors (see below), whose sum is σ = 116865504. Its totient is φ = 25513600.

The previous prime is 64354607. The next prime is 64354649. The reversal of 64354630 is 3645346.

It is a junction number, because it is equal to n+sod(n) for n = 64354592 and 64354601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27346 + ... + 29605.

It is an arithmetic number, because the mean of its divisors is an integer number (7304094).

Almost surely, 2^64354630 is an apocalyptic number.

64354630 is a deficient number, since it is larger than the sum of its proper divisors (52510874).

64354630 is a wasteful number, since it uses less digits than its factorization.

64354630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57071.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 64354630 is about 8022.1337560527. The cubic root of 64354630 is about 400.7374520756.

Adding to 64354630 its reverse (3645346), we get a palindrome (67999976).

The spelling of 64354630 in words is "sixty-four million, three hundred fifty-four thousand, six hundred thirty".