74292992242 has 8 divisors (see below), whose sum is σ = 127359415296. Its totient is φ = 31839853812.

The previous prime is 74292992219. The next prime is 74292992273. The reversal of 74292992242 is 24229929247.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74292992242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653321138 + ... + 2653321165.

It is an arithmetic number, because the mean of its divisors is an integer number (15919926912).

Almost surely, 2^74292992242 is an apocalyptic number.

74292992242 is a deficient number, since it is larger than the sum of its proper divisors (53066423054).

74292992242 is a wasteful number, since it uses less digits than its factorization.

74292992242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306642312.

The product of its digits is 2612736, while the sum is 52.

The spelling of 74292992242 in words is "seventy-four billion, two hundred ninety-two million, nine hundred ninety-two thousand, two hundred forty-two".