73964298349 has 4 divisors (see below), whose sum is σ = 74016059260. Its totient is φ = 73912537440.

The previous prime is 73964298337. The next prime is 73964298383. The reversal of 73964298349 is 94389246937.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19187236324 + 54777062025 = 138518^2 + 234045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73964298349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73964248349) 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 3 ways as a sum of consecutive naturals, for example, 25878312 + ... + 25881169.

It is an arithmetic number, because the mean of its divisors is an integer number (18504014815).

Almost surely, 2^73964298349 is an apocalyptic number.

It is an amenable number.

73964298349 is a deficient number, since it is larger than the sum of its proper divisors (51760911).

73964298349 is a wasteful number, since it uses less digits than its factorization.

73964298349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51760910.

The product of its digits is 70543872, while the sum is 64.

The spelling of 73964298349 in words is "seventy-three billion, nine hundred sixty-four million, two hundred ninety-eight thousand, three hundred forty-nine".