74430021440131 has 8 divisors (see below), whose sum is σ = 85075425997664. Its totient is φ = 63787752970560.

The previous prime is 74430021440111. The next prime is 74430021440183. The reversal of 74430021440131 is 13104412003447.

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 74430021440131 - 2⁷ = 74430021440003 is a prime.

It is a super-2 number, since 2×74430021440131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74430021440111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783971130 + ... + 784066063.

It is an arithmetic number, because the mean of its divisors is an integer number (10634428249708).

Almost surely, 2^{74430021440131} is an apocalyptic number.

74430021440131 is a deficient number, since it is larger than the sum of its proper divisors (10645404557533).

74430021440131 is a wasteful number, since it uses less digits than its factorization.

74430021440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568043981.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 74430021440131 its reverse (13104412003447), we get a palindrome (87534433443578).

The spelling of 74430021440131 in words is "seventy-four trillion, four hundred thirty billion, twenty-one million, four hundred forty thousand, one hundred thirty-one".