74656745 has 8 divisors (see below), whose sum is σ = 89688384. Its totient is φ = 59658544.

The previous prime is 74656733. The next prime is 74656753. The reversal of 74656745 is 54765647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74656745 - 2¹⁴ = 74640361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74656696 and 74656705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (11211048).

Almost surely, 2^74656745 is an apocalyptic number.

It is an amenable number.

74656745 is a deficient number, since it is larger than the sum of its proper divisors (15031639).

74656745 is a wasteful number, since it uses less digits than its factorization.

74656745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16719.

The product of its digits is 705600, while the sum is 44.

The square root of 74656745 is about 8640.4134739027. The cubic root of 74656745 is about 421.0719875847.

The spelling of 74656745 in words is "seventy-four million, six hundred fifty-six thousand, seven hundred forty-five".