64738801 has 2 divisors, whose sum is σ = 64738802. Its totient is φ = 64738800.

The previous prime is 64738799. The next prime is 64738831. The reversal of 64738801 is 10883746.

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., 40335201 + 24403600 = 6351^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 64738801 - 2¹ = 64738799 is a prime.

It is a super-2 number, since 2×64738801² = 8382224709835202, which contains 22 as substring.

Together with 64738799, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64738831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32369400 + 32369401.

It is an arithmetic number, because the mean of its divisors is an integer number (32369401).

Almost surely, 2^64738801 is an apocalyptic number.

It is an amenable number.

64738801 is a deficient number, since it is larger than the sum of its proper divisors (1).

64738801 is an equidigital number, since it uses as much as digits as its factorization.

64738801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 64738801 is about 8046.0425676229. The cubic root of 64738801 is about 401.5332838419.

The spelling of 64738801 in words is "sixty-four million, seven hundred thirty-eight thousand, eight hundred one".