74734225990 has 8 divisors (see below), whose sum is σ = 134521606800. Its totient is φ = 29893690392.

The previous prime is 74734225987. The next prime is 74734226011. The reversal of 74734225990 is 9952243747.

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

It is a congruent number.

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, 3736711290 + ... + 3736711309.

It is an arithmetic number, because the mean of its divisors is an integer number (16815200850).

Almost surely, 2^74734225990 is an apocalyptic number.

74734225990 is a deficient number, since it is larger than the sum of its proper divisors (59787380810).

74734225990 is a wasteful number, since it uses less digits than its factorization.

74734225990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473422606.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 74734225990 in words is "seventy-four billion, seven hundred thirty-four million, two hundred twenty-five thousand, nine hundred ninety".