64300070 has 16 divisors (see below), whose sum is σ = 115834320. Its totient is φ = 25699104.

The previous prime is 64300057. The next prime is 64300099. The reversal of 64300070 is 7000346.

It is a Curzon number.

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, 18101 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (7239645).

Almost surely, 2^64300070 is an apocalyptic number.

64300070 is a deficient number, since it is larger than the sum of its proper divisors (51534250).

64300070 is a wasteful number, since it uses less digits than its factorization.

64300070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 64300070 is about 8018.7324434726. The cubic root of 64300070 is about 400.6241713520.

The spelling of 64300070 in words is "sixty-four million, three hundred thousand, seventy".