74547755474 has 8 divisors (see below), whose sum is σ = 114843839628. Its totient is φ = 36266475600.

The previous prime is 74547755441. The next prime is 74547755497. The reversal of 74547755474 is 47455774547.

It can be written as a sum of positive squares in 2 ways, for example, as 65625630625 + 8922124849 = 256175^2 + 94457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74547755474² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 503700977 + ... + 503701124.

Almost surely, 2^74547755474 is an apocalyptic number.

74547755474 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

74547755474 is a deficient number, since it is larger than the sum of its proper divisors (40296084154).

74547755474 is a wasteful number, since it uses less digits than its factorization.

74547755474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007402140.

The product of its digits is 76832000, while the sum is 59.

The spelling of 74547755474 in words is "seventy-four billion, five hundred forty-seven million, seven hundred fifty-five thousand, four hundred seventy-four".