74734243747 has 8 divisors (see below), whose sum is σ = 74954702592. Its totient is φ = 74514038400.

The previous prime is 74734243739. The next prime is 74734243783.

74734243747 is nontrivially palindromic in base 10.

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 74734243747 - 2³ = 74734243739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74734243694 and 74734243703.

It is not an unprimeable number, because it can be changed into a prime (74734243247) 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, 535422 + ... + 660412.

It is an arithmetic number, because the mean of its divisors is an integer number (9369337824).

Almost surely, 2^74734243747 is an apocalyptic number.

74734243747 is a deficient number, since it is larger than the sum of its proper divisors (220458845).

74734243747 is a wasteful number, since it uses less digits than its factorization.

74734243747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126749.

The product of its digits is 11063808, while the sum is 52.

The spelling of 74734243747 in words is "seventy-four billion, seven hundred thirty-four million, two hundred forty-three thousand, seven hundred forty-seven".