64526474 has 8 divisors (see below), whose sum is σ = 97678020. Its totient is φ = 31967136.

The previous prime is 64526467. The next prime is 64526491. The reversal of 64526474 is 47462546.

It can be written as a sum of positive squares in 2 ways, for example, as 60295225 + 4231249 = 7765^2 + 2057^2 .

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, 147779 + ... + 148214.

Almost surely, 2^64526474 is an apocalyptic number.

64526474 is a deficient number, since it is larger than the sum of its proper divisors (33151546).

64526474 is a wasteful number, since it uses less digits than its factorization.

64526474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296104.

The product of its digits is 161280, while the sum is 38.

The square root of 64526474 is about 8032.8372322611. The cubic root of 64526474 is about 401.0938269633.

The spelling of 64526474 in words is "sixty-four million, five hundred twenty-six thousand, four hundred seventy-four".