74021674877 has 2 divisors, whose sum is σ = 74021674878. Its totient is φ = 74021674876.

The previous prime is 74021674841. The next prime is 74021674897. The reversal of 74021674877 is 77847612047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56106923161 + 17914751716 = 236869^2 + 133846^2 .

It is a cyclic number.

It is not a de Polignac number, because 74021674877 - 2²² = 74017480573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74021674807) 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 as a sum of consecutive naturals, namely, 37010837438 + 37010837439.

It is an arithmetic number, because the mean of its divisors is an integer number (37010837439).

Almost surely, 2^74021674877 is an apocalyptic number.

It is an amenable number.

74021674877 is a deficient number, since it is larger than the sum of its proper divisors (1).

74021674877 is an equidigital number, since it uses as much as digits as its factorization.

74021674877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3687936, while the sum is 53.

The spelling of 74021674877 in words is "seventy-four billion, twenty-one million, six hundred seventy-four thousand, eight hundred seventy-seven".