74156676440 has 96 divisors (see below), whose sum is σ = 211738698000. Its totient is φ = 23113762560.

The previous prime is 74156676421. The next prime is 74156676467. The reversal of 74156676440 is 4467665147.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1698215 + ... + 1741334.

Almost surely, 2^74156676440 is an apocalyptic number.

74156676440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74156676440 is an abundant number, since it is smaller than the sum of its proper divisors (137582021560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74156676440 is a wasteful number, since it uses less digits than its factorization.

74156676440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439585 (or 3439574 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 74156676440 in words is "seventy-four billion, one hundred fifty-six million, six hundred seventy-six thousand, four hundred forty".