74074342477 has 4 divisors (see below), whose sum is σ = 74083766176. Its totient is φ = 74064918780.

The previous prime is 74074342451. The next prime is 74074342483. The reversal of 74074342477 is 77424347047.

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.

It is a cyclic number.

It is not a de Polignac number, because 74074342477 - 2¹⁵ = 74074309709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74074342477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74074342577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700049 + ... + 4715782.

It is an arithmetic number, because the mean of its divisors is an integer number (18520941544).

Almost surely, 2^74074342477 is an apocalyptic number.

It is an amenable number.

74074342477 is a deficient number, since it is larger than the sum of its proper divisors (9423699).

74074342477 is an equidigital number, since it uses as much as digits as its factorization.

74074342477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423698.

The product of its (nonzero) digits is 3687936, while the sum is 49.

The spelling of 74074342477 in words is "seventy-four billion, seventy-four million, three hundred forty-two thousand, four hundred seventy-seven".