74382842977 has 4 divisors (see below), whose sum is σ = 74385176256. Its totient is φ = 74380509700.

The previous prime is 74382842971. The next prime is 74382843023. The reversal of 74382842977 is 77924828347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77924828347 = 2351 ⋅33145397.

It is a cyclic number.

It is not a de Polignac number, because 74382842977 - 2³ = 74382842969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74382842971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118149 + ... + 1182802.

It is an arithmetic number, because the mean of its divisors is an integer number (18596294064).

Almost surely, 2^74382842977 is an apocalyptic number.

It is an amenable number.

74382842977 is a deficient number, since it is larger than the sum of its proper divisors (2333279).

74382842977 is a wasteful number, since it uses less digits than its factorization.

74382842977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333278.

The product of its digits is 37933056, while the sum is 61.

The spelling of 74382842977 in words is "seventy-four billion, three hundred eighty-two million, eight hundred forty-two thousand, nine hundred seventy-seven".