74371116670840 has 32 divisors (see below), whose sum is σ = 182547286374960. Its totient is φ = 27044042425600.

The previous prime is 74371116670811. The next prime is 74371116670849. The reversal of 74371116670840 is 4807661117347.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74371116670849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84512632141 + ... + 84512633020.

Almost surely, 2^{74371116670840} is an apocalyptic number.

It is an amenable number.

74371116670840 is an abundant number, since it is smaller than the sum of its proper divisors (108176169704120).

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

74371116670840 is a wasteful number, since it uses less digits than its factorization.

74371116670840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169025265183 (or 169025265179 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 74371116670840 in words is "seventy-four trillion, three hundred seventy-one billion, one hundred sixteen million, six hundred seventy thousand, eight hundred forty".