74775449444 has 6 divisors (see below), whose sum is σ = 130857036534. Its totient is φ = 37387724720.

The previous prime is 74775449443. The next prime is 74775449453. The reversal of 74775449444 is 44494457747.

It can be written as a sum of positive squares in only one way, i.e., 71604408100 + 3171041344 = 267590^2 + 56312^2 .

It is not an unprimeable number, because it can be changed into a prime (74775449443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9346931177 + ... + 9346931184.

It is an arithmetic number, because the mean of its divisors is an integer number (21809506089).

Almost surely, 2^74775449444 is an apocalyptic number.

It is an amenable number.

74775449444 is a deficient number, since it is larger than the sum of its proper divisors (56081587090).

74775449444 is a wasteful number, since it uses less digits than its factorization.

74775449444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18693862365 (or 18693862363 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 59.

The spelling of 74775449444 in words is "seventy-four billion, seven hundred seventy-five million, four hundred forty-nine thousand, four hundred forty-four".