74021350634212 has 6 divisors (see below), whose sum is σ = 129537363609878. Its totient is φ = 37010675317104.

The previous prime is 74021350634183. The next prime is 74021350634233. The reversal of 74021350634212 is 21243605312047.

It can be written as a sum of positive squares in only one way, i.e., 74012710188096 + 8640446116 = 8603064^2 + 92954^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9252668829273 + ... + 9252668829280.

Almost surely, 2^{74021350634212} is an apocalyptic number.

It is an amenable number.

74021350634212 is a deficient number, since it is larger than the sum of its proper divisors (55516012975666).

74021350634212 is a wasteful number, since it uses less digits than its factorization.

74021350634212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505337658557 (or 18505337658555 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 74021350634212 its reverse (21243605312047), we get a palindrome (95264955946259).

The spelling of 74021350634212 in words is "seventy-four trillion, twenty-one billion, three hundred fifty million, six hundred thirty-four thousand, two hundred twelve".