74964789736 has 8 divisors (see below), whose sum is σ = 140558980770. Its totient is φ = 37482394864.

The previous prime is 74964789733. The next prime is 74964789737. The reversal of 74964789736 is 63798746947.

It can be written as a sum of positive squares in only one way, i.e., 45073837636 + 29890952100 = 212306^2 + 172890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (74964789733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4685299351 + ... + 4685299366.

Almost surely, 2^74964789736 is an apocalyptic number.

It is an amenable number.

74964789736 is a deficient number, since it is larger than the sum of its proper divisors (65594191034).

74964789736 is a wasteful number, since it uses less digits than its factorization.

74964789736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370598723 (or 9370598719 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 70.

The spelling of 74964789736 in words is "seventy-four billion, nine hundred sixty-four million, seven hundred eighty-nine thousand, seven hundred thirty-six".