74547775442 has 32 divisors (see below), whose sum is σ = 128024174592. Its totient is φ = 31892115024.

The previous prime is 74547775441. The next prime is 74547775457. The reversal of 74547775442 is 24457774547.

It is not an unprimeable number, because it can be changed into a prime (74547775441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29313623 + ... + 29316165.

It is an arithmetic number, because the mean of its divisors is an integer number (4000755456).

Almost surely, 2^74547775442 is an apocalyptic number.

74547775442 is a deficient number, since it is larger than the sum of its proper divisors (53476399150).

74547775442 is a wasteful number, since it uses less digits than its factorization.

74547775442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462.

The product of its digits is 30732800, while the sum is 56.

The spelling of 74547775442 in words is "seventy-four billion, five hundred forty-seven million, seven hundred seventy-five thousand, four hundred forty-two".