64930319 has 8 divisors (see below), whose sum is σ = 66324720. Its totient is φ = 63550656.

The previous prime is 64930309. The next prime is 64930351. The reversal of 64930319 is 91303946.

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

It is a cyclic number.

It is not a de Polignac number, because 64930319 - 2¹⁶ = 64864783 is a prime.

It is a super-2 number, since 2×64930319² = 8431892650883522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64930309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (8290590).

Almost surely, 2^64930319 is an apocalyptic number.

64930319 is a deficient number, since it is larger than the sum of its proper divisors (1394401).

64930319 is a wasteful number, since it uses less digits than its factorization.

64930319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 64930319 is about 8057.9351573465. The cubic root of 64930319 is about 401.9288484917.

The spelling of 64930319 in words is "sixty-four million, nine hundred thirty thousand, three hundred nineteen".