39964753 has 2 divisors, whose sum is σ = 39964754. Its totient is φ = 39964752.

The previous prime is 39964747. The next prime is 39964781. The reversal of 39964753 is 35746993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 173889 = 6308^2 + 417^2 .

It is an emirp because it is prime and its reverse (35746993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39964753 - 2²¹ = 37867601 is a prime.

It is not a weakly prime, because it can be changed into another prime (39964783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19982376 + 19982377.

It is an arithmetic number, because the mean of its divisors is an integer number (19982377).

Almost surely, 2^39964753 is an apocalyptic number.

It is an amenable number.

39964753 is a deficient number, since it is larger than the sum of its proper divisors (1).

39964753 is an equidigital number, since it uses as much as digits as its factorization.

39964753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 39964753 is about 6321.7681861960. The cubic root of 39964753 is about 341.8947072785.

The spelling of 39964753 in words is "thirty-nine million, nine hundred sixty-four thousand, seven hundred fifty-three".