73749668 has 24 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 35431200.

The previous prime is 73749629. The next prime is 73749691. The reversal of 73749668 is 86694737.

It is a super-2 number, since 2×73749668² = 10878027060220448, which contains 22 as substring.

It is an unprimeable number.

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, 24443 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (5589920).

Almost surely, 2^73749668 is an apocalyptic number.

It is an amenable number.

73749668 is a deficient number, since it is larger than the sum of its proper divisors (60408412).

73749668 is a wasteful number, since it uses less digits than its factorization.

73749668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3105 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 73749668 is about 8587.7626888498. The cubic root of 73749668 is about 419.3596970480.

It can be divided in two parts, 737 and 49668, that added together give a palindrome (50405).

The spelling of 73749668 in words is "seventy-three million, seven hundred forty-nine thousand, six hundred sixty-eight".