64042670 has 16 divisors (see below), whose sum is σ = 117730368. Its totient is φ = 25071840.

The previous prime is 64042651. The next prime is 64042703. The reversal of 64042670 is 7624046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67661 + ... + 68600.

It is an arithmetic number, because the mean of its divisors is an integer number (7358148).

Almost surely, 2^64042670 is an apocalyptic number.

64042670 is a deficient number, since it is larger than the sum of its proper divisors (53687698).

64042670 is a wasteful number, since it uses less digits than its factorization.

64042670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136315.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 64042670 is about 8002.6664306342. Note that the first 3 decimals coincide. The cubic root of 64042670 is about 400.0888760845.

The spelling of 64042670 in words is "sixty-four million, forty-two thousand, six hundred seventy".