64910967 has 8 divisors (see below), whose sum is σ = 94416000. Its totient is φ = 39339960.

The previous prime is 64910953. The next prime is 64910971. The reversal of 64910967 is 76901946.

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

It is not a de Polignac number, because 64910967 - 2⁸ = 64910711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64910977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983467 + ... + 983532.

It is an arithmetic number, because the mean of its divisors is an integer number (11802000).

Almost surely, 2^64910967 is an apocalyptic number.

64910967 is a deficient number, since it is larger than the sum of its proper divisors (29505033).

64910967 is a wasteful number, since it uses less digits than its factorization.

64910967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967013.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 64910967 is about 8056.7342639558. The cubic root of 64910967 is about 401.8889138866. Note that the first 3 decimals are identical.

The spelling of 64910967 in words is "sixty-four million, nine hundred ten thousand, nine hundred sixty-seven".