64590774 has 8 divisors (see below), whose sum is σ = 129181560. Its totient is φ = 21530256.

The previous prime is 64590749. The next prime is 64590791. The reversal of 64590774 is 47709546.

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

64590774 is an admirable number.

It is a congruent number.

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, 5382559 + ... + 5382570.

It is an arithmetic number, because the mean of its divisors is an integer number (16147695).

Almost surely, 2^64590774 is an apocalyptic number.

64590774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64590774 is a wasteful number, since it uses less digits than its factorization.

64590774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765134.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 64590774 is about 8036.8385575424. The cubic root of 64590774 is about 401.2270114255.

It can be divided in two parts, 645 and 90774, that added together give a palindrome (91419).

The spelling of 64590774 in words is "sixty-four million, five hundred ninety thousand, seven hundred seventy-four".