64506326 has 4 divisors (see below), whose sum is σ = 96759492. Its totient is φ = 32253162.

The previous prime is 64506317. The next prime is 64506331. The reversal of 64506326 is 62360546.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×64506326² = 8322132188036552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64506292 and 64506301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16126580 + ... + 16126583.

It is an arithmetic number, because the mean of its divisors is an integer number (24189873).

Almost surely, 2^64506326 is an apocalyptic number.

64506326 is a deficient number, since it is larger than the sum of its proper divisors (32253166).

64506326 is a wasteful number, since it uses less digits than its factorization.

64506326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32253165.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 64506326 is about 8031.5830320056. The cubic root of 64506326 is about 401.0520762462.

The spelling of 64506326 in words is "sixty-four million, five hundred six thousand, three hundred twenty-six".