64670607 has 6 divisors (see below), whose sum is σ = 93413112. Its totient is φ = 43113732.

The previous prime is 64670597. The next prime is 64670621. The reversal of 64670607 is 70607646.

64670607 is a `hidden beast` number, since 6 + 46 + 7 + 0 + 607 = 666.

It is not a de Polignac number, because 64670607 - 2⁴ = 64670591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64670647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3592803 + ... + 3592820.

It is an arithmetic number, because the mean of its divisors is an integer number (15568852).

Almost surely, 2^64670607 is an apocalyptic number.

64670607 is a deficient number, since it is larger than the sum of its proper divisors (28742505).

64670607 is a wasteful number, since it uses less digits than its factorization.

64670607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185629 (or 7185626 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 64670607 is about 8041.8037155852. The cubic root of 64670607 is about 401.3922464192.

It can be divided in two parts, 646 and 70607, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 64670607 in words is "sixty-four million, six hundred seventy thousand, six hundred seven".