74642024645 has 8 divisors (see below), whose sum is σ = 90704232960. Its totient is φ = 58957750800.

The previous prime is 74642024641. The next prime is 74642024659. The reversal of 74642024645 is 54642024647.

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

It is not a de Polignac number, because 74642024645 - 2² = 74642024641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74642024596 and 74642024605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74642024641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94483181 + ... + 94483970.

It is an arithmetic number, because the mean of its divisors is an integer number (11338029120).

Almost surely, 2^74642024645 is an apocalyptic number.

It is an amenable number.

74642024645 is a deficient number, since it is larger than the sum of its proper divisors (16062208315).

74642024645 is a wasteful number, since it uses less digits than its factorization.

74642024645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188967235.

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 74642024645 in words is "seventy-four billion, six hundred forty-two million, twenty-four thousand, six hundred forty-five".