74744400777474 has 16 divisors (see below), whose sum is σ = 149489938094112. Its totient is φ = 24914610835968.

The previous prime is 74744400777463. The next prime is 74744400777509. The reversal of 74744400777474 is 47477700444747.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46499664 + ... + 48080219.

It is an arithmetic number, because the mean of its divisors is an integer number (9343121130882).

Almost surely, 2^{74744400777474} is an apocalyptic number.

74744400777474 is an abundant number, since it is smaller than the sum of its proper divisors (74745537316638).

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

74744400777474 is a wasteful number, since it uses less digits than its factorization.

74744400777474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94711601.

The product of its (nonzero) digits is 481890304, while the sum is 66.

Adding to 74744400777474 its reverse (47477700444747), we get a palindrome (122222101222221).

The spelling of 74744400777474 in words is "seventy-four trillion, seven hundred forty-four billion, four hundred million, seven hundred seventy-seven thousand, four hundred seventy-four".