64442707 has 8 divisors (see below), whose sum is σ = 76024832. Its totient is φ = 53454600.

The previous prime is 64442683. The next prime is 64442717. The reversal of 64442707 is 70724446.

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 64442707 - 2²³ = 56054099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64442717) 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, 148269 + ... + 148702.

It is an arithmetic number, because the mean of its divisors is an integer number (9503104).

Almost surely, 2^64442707 is an apocalyptic number.

64442707 is a deficient number, since it is larger than the sum of its proper divisors (11582125).

64442707 is a wasteful number, since it uses less digits than its factorization.

64442707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297009.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 64442707 is about 8027.6215032848. The cubic root of 64442707 is about 400.9201877629.

The spelling of 64442707 in words is "sixty-four million, four hundred forty-two thousand, seven hundred seven".