74315344021434 has 32 divisors (see below), whose sum is σ = 165294932739840. Its totient is φ = 24749322770016.

The previous prime is 74315344021427. The next prime is 74315344021439. The reversal of 74315344021434 is 43412044351347.

74315344021434 is a `hidden beast` number, since 7 + 4 + 3 + 153 + 4 + 40 + 21 + 434 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74315344021434.

It is not an unprimeable number, because it can be changed into a prime (74315344021439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623789067 + ... + 623908190.

It is an arithmetic number, because the mean of its divisors is an integer number (5165466648120).

Almost surely, 2^{74315344021434} is an apocalyptic number.

74315344021434 is an abundant number, since it is smaller than the sum of its proper divisors (90979588718406).

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

74315344021434 is a wasteful number, since it uses less digits than its factorization.

74315344021434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247698371 (or 1247698365 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 74315344021434 in words is "seventy-four trillion, three hundred fifteen billion, three hundred forty-four million, twenty-one thousand, four hundred thirty-four".