74146621619 has 8 divisors (see below), whose sum is σ = 84740759040. Its totient is φ = 63552924936.

The previous prime is 74146621567. The next prime is 74146621621. The reversal of 74146621619 is 91612664147.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74146621619 is a prime.

It is a super-2 number, since 2×74146621619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74146623619) 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 7 ways as a sum of consecutive naturals, for example, 421142 + ... + 570660.

It is an arithmetic number, because the mean of its divisors is an integer number (10592594880).

Almost surely, 2^74146621619 is an apocalyptic number.

74146621619 is a deficient number, since it is larger than the sum of its proper divisors (10594137421).

74146621619 is a wasteful number, since it uses less digits than its factorization.

74146621619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220369.

The product of its digits is 435456, while the sum is 47.

The spelling of 74146621619 in words is "seventy-four billion, one hundred forty-six million, six hundred twenty-one thousand, six hundred nineteen".