74840149983 has 8 divisors (see below), whose sum is σ = 103227793200. Its totient is φ = 48172970048.

The previous prime is 74840149963. The next prime is 74840150003. The reversal of 74840149983 is 38994104847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74840149963) and next prime (74840150003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74840149983 - 2⁶ = 74840149919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74840149963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430115718 + ... + 430115891.

It is an arithmetic number, because the mean of its divisors is an integer number (12903474150).

Almost surely, 2^74840149983 is an apocalyptic number.

74840149983 is a deficient number, since it is larger than the sum of its proper divisors (28387643217).

74840149983 is a wasteful number, since it uses less digits than its factorization.

74840149983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860231641.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 74840149983 in words is "seventy-four billion, eight hundred forty million, one hundred forty-nine thousand, nine hundred eighty-three".