74154661077 has 32 divisors (see below), whose sum is σ = 117983803392. Its totient is φ = 40506548544.

The previous prime is 74154661057. The next prime is 74154661151. The reversal of 74154661077 is 77016645147.

It is not a de Polignac number, because 74154661077 - 2⁷ = 74154660949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74154661057) 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 31 ways as a sum of consecutive naturals, for example, 743778 + ... + 837564.

It is an arithmetic number, because the mean of its divisors is an integer number (3686993856).

Almost surely, 2^74154661077 is an apocalyptic number.

It is an amenable number.

74154661077 is a deficient number, since it is larger than the sum of its proper divisors (43829142315).

74154661077 is a wasteful number, since it uses less digits than its factorization.

74154661077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95457.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 74154661077 in words is "seventy-four billion, one hundred fifty-four million, six hundred sixty-one thousand, seventy-seven".