73944964 has 24 divisors (see below), whose sum is σ = 132292440. Its totient is φ = 36152064.

The previous prime is 73944961. The next prime is 73944967. The reversal of 73944964 is 46944937.

It is an interprime number because it is at equal distance from previous prime (73944961) and next prime (73944967).

It can be written as a sum of positive squares in 4 ways, for example, as 122500 + 73822464 = 350^2 + 8592^2 .

It is a super-2 number, since 2×73944964² = 10935715401922592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73944961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120322 + ... + 120934.

It is an arithmetic number, because the mean of its divisors is an integer number (5512185).

Almost surely, 2^73944964 is an apocalyptic number.

It is an amenable number.

73944964 is a deficient number, since it is larger than the sum of its proper divisors (58347476).

73944964 is a wasteful number, since it uses less digits than its factorization.

73944964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1237 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 73944964 is about 8599.1257695187. The cubic root of 73944964 is about 419.7295386463.

The spelling of 73944964 in words is "seventy-three million, nine hundred forty-four thousand, nine hundred sixty-four".