64530274 has 8 divisors (see below), whose sum is σ = 96868800. Its totient is φ = 32240676.

The previous prime is 64530217. The next prime is 64530287. The reversal of 64530274 is 47203546.

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

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, 8734 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (12108600).

Almost surely, 2^64530274 is an apocalyptic number.

64530274 is a deficient number, since it is larger than the sum of its proper divisors (32338526).

64530274 is a wasteful number, since it uses less digits than its factorization.

64530274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24464.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 64530274 is about 8033.0737579086. The cubic root of 64530274 is about 401.1017003550.

The spelling of 64530274 in words is "sixty-four million, five hundred thirty thousand, two hundred seventy-four".