64037573 has 2 divisors, whose sum is σ = 64037574. Its totient is φ = 64037572.

The previous prime is 64037551. The next prime is 64037627. The reversal of 64037573 is 37573046.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 17156164 = 6847^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 64037573 - 2¹⁴ = 64021189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64037513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32018786 + 32018787.

It is an arithmetic number, because the mean of its divisors is an integer number (32018787).

Almost surely, 2^64037573 is an apocalyptic number.

It is an amenable number.

64037573 is a deficient number, since it is larger than the sum of its proper divisors (1).

64037573 is an equidigital number, since it uses as much as digits as its factorization.

64037573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 64037573 is about 8002.3479679404. The cubic root of 64037573 is about 400.0782617701.

The spelling of 64037573 in words is "sixty-four million, thirty-seven thousand, five hundred seventy-three".