74176889 has 2 divisors, whose sum is σ = 74176890. Its totient is φ = 74176888.

The previous prime is 74176871. The next prime is 74176903. The reversal of 74176889 is 98867147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 26677225 = 6892^2 + 5165^2 .

It is an emirp because it is prime and its reverse (98867147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74176889 - 2¹⁶ = 74111353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74076889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37088444 + 37088445.

It is an arithmetic number, because the mean of its divisors is an integer number (37088445).

Almost surely, 2^74176889 is an apocalyptic number.

It is an amenable number.

74176889 is a deficient number, since it is larger than the sum of its proper divisors (1).

74176889 is an equidigital number, since it uses as much as digits as its factorization.

74176889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 50.

The square root of 74176889 is about 8612.6005944778. The cubic root of 74176889 is about 420.1679015017.

The spelling of 74176889 in words is "seventy-four million, one hundred seventy-six thousand, eight hundred eighty-nine".