64073967 has 8 divisors (see below), whose sum is σ = 85482624. Its totient is φ = 42690648.

The previous prime is 64073951. The next prime is 64073983. The reversal of 64073967 is 76937046.

It is an interprime number because it is at equal distance from previous prime (64073951) and next prime (64073983).

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

It is not a de Polignac number, because 64073967 - 2⁴ = 64073951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64073167) 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, 678 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (10685328).

Almost surely, 2^64073967 is an apocalyptic number.

64073967 is a deficient number, since it is larger than the sum of its proper divisors (21408657).

64073967 is a wasteful number, since it uses less digits than its factorization.

64073967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12669.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 64073967 is about 8004.6216025494. The cubic root of 64073967 is about 400.1540385893.

The spelling of 64073967 in words is "sixty-four million, seventy-three thousand, nine hundred sixty-seven".