74739562818 has 8 divisors (see below), whose sum is σ = 149479125648. Its totient is φ = 24913187604.

The previous prime is 74739562813. The next prime is 74739562861. The reversal of 74739562818 is 81826593747.

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

74739562818 is an admirable number.

It is a super-2 number, since 2×74739562818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74739562813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6228296896 + ... + 6228296907.

It is an arithmetic number, because the mean of its divisors is an integer number (18684890706).

Almost surely, 2^74739562818 is an apocalyptic number.

74739562818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74739562818 is a wasteful number, since it uses less digits than its factorization.

74739562818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456593808.

The product of its digits is 20321280, while the sum is 60.

The spelling of 74739562818 in words is "seventy-four billion, seven hundred thirty-nine million, five hundred sixty-two thousand, eight hundred eighteen".