64630701 has 6 divisors (see below), whose sum is σ = 93355470. Its totient is φ = 43087128.

The previous prime is 64630693. The next prime is 64630717. The reversal of 64630701 is 10703646.

It can be written as a sum of positive squares in only one way, i.e., 59675625 + 4955076 = 7725^2 + 2226^2 .

It is not a de Polignac number, because 64630701 - 2³ = 64630693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64630751) 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, 3590586 + ... + 3590603.

It is an arithmetic number, because the mean of its divisors is an integer number (15559245).

Almost surely, 2^64630701 is an apocalyptic number.

It is an amenable number.

64630701 is a deficient number, since it is larger than the sum of its proper divisors (28724769).

64630701 is a wasteful number, since it uses less digits than its factorization.

64630701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181195 (or 7181192 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 64630701 is about 8039.3221729198. The cubic root of 64630701 is about 401.3096676632.

The spelling of 64630701 in words is "sixty-four million, six hundred thirty thousand, seven hundred one".