74908679009 has 2 divisors, whose sum is σ = 74908679010. Its totient is φ = 74908679008.

The previous prime is 74908678981. The next prime is 74908679051. The reversal of 74908679009 is 90097680947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44059269409 + 30849409600 = 209903^2 + 175640^2 .

It is a cyclic number.

It is not a de Polignac number, because 74908679009 - 2²⁰ = 74907630433 is a prime.

It is a super-2 number, since 2×74908679009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74908679089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37454339504 + 37454339505.

It is an arithmetic number, because the mean of its divisors is an integer number (37454339505).

Almost surely, 2^74908679009 is an apocalyptic number.

It is an amenable number.

74908679009 is a deficient number, since it is larger than the sum of its proper divisors (1).

74908679009 is an equidigital number, since it uses as much as digits as its factorization.

74908679009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 74908679009 in words is "seventy-four billion, nine hundred eight million, six hundred seventy-nine thousand, nine".