74021420888 has 16 divisors (see below), whose sum is σ = 138809160000. Its totient is φ = 37005644896.

The previous prime is 74021420887. The next prime is 74021420897. The reversal of 74021420888 is 88802412047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74021420887) 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, 570728 + ... + 688311.

It is an arithmetic number, because the mean of its divisors is an integer number (8675572500).

Almost surely, 2^74021420888 is an apocalyptic number.

It is an amenable number.

74021420888 is a deficient number, since it is larger than the sum of its proper divisors (64787739112).

74021420888 is a wasteful number, since it uses less digits than its factorization.

74021420888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266394 (or 1266390 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 74021420888 in words is "seventy-four billion, twenty-one million, four hundred twenty thousand, eight hundred eighty-eight".