74743645304 has 8 divisors (see below), whose sum is σ = 140144334960. Its totient is φ = 37371822648.

The previous prime is 74743645297. The next prime is 74743645397. The reversal of 74743645304 is 40354634747.

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

It is a super-2 number, since 2×74743645304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4671477824 + ... + 4671477839.

It is an arithmetic number, because the mean of its divisors is an integer number (17518041870).

Almost surely, 2^74743645304 is an apocalyptic number.

It is an amenable number.

74743645304 is a deficient number, since it is larger than the sum of its proper divisors (65400689656).

74743645304 is a wasteful number, since it uses less digits than its factorization.

74743645304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342955669 (or 9342955665 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 47.

The spelling of 74743645304 in words is "seventy-four billion, seven hundred forty-three million, six hundred forty-five thousand, three hundred four".