64994701 has 2 divisors, whose sum is σ = 64994702. Its totient is φ = 64994700.

The previous prime is 64994641. The next prime is 64994729. The reversal of 64994701 is 10749946.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62015625 + 2979076 = 7875^2 + 1726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64994701 is a prime.

It is a super-2 number, since 2×64994701² = 8448622316158802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64992701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32497350 + 32497351.

It is an arithmetic number, because the mean of its divisors is an integer number (32497351).

Almost surely, 2^64994701 is an apocalyptic number.

It is an amenable number.

64994701 is a deficient number, since it is larger than the sum of its proper divisors (1).

64994701 is an equidigital number, since it uses as much as digits as its factorization.

64994701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 64994701 is about 8061.9291115712. The cubic root of 64994701 is about 402.0616494975.

The spelling of 64994701 in words is "sixty-four million, nine hundred ninety-four thousand, seven hundred one".