74118308742 has 64 divisors (see below), whose sum is σ = 173420352000. Its totient is φ = 23399816544.

The previous prime is 74118308717. The next prime is 74118308767. The reversal of 74118308742 is 24780381147.

It is an interprime number because it is at equal distance from previous prime (74118308717) and next prime (74118308767).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5810023 + ... + 5822765.

It is an arithmetic number, because the mean of its divisors is an integer number (2709693000).

Almost surely, 2^74118308742 is an apocalyptic number.

74118308742 is an abundant number, since it is smaller than the sum of its proper divisors (99302043258).

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

74118308742 is a wasteful number, since it uses less digits than its factorization.

74118308742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442 (or 18436 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

Adding to 74118308742 its reverse (24780381147), we get a palindrome (98898689889).

The spelling of 74118308742 in words is "seventy-four billion, one hundred eighteen million, three hundred eight thousand, seven hundred forty-two".