74573089 has 2 divisors, whose sum is σ = 74573090. Its totient is φ = 74573088.

The previous prime is 74573087. The next prime is 74573117. The reversal of 74573089 is 98037547.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73960000 + 613089 = 8600^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 74573089 - 2¹ = 74573087 is a prime.

It is a super-2 number, since 2×74573089² = 11122291206003842, which contains 22 as substring.

Together with 74573087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74573087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37286544 + 37286545.

It is an arithmetic number, because the mean of its divisors is an integer number (37286545).

Almost surely, 2^74573089 is an apocalyptic number.

It is an amenable number.

74573089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74573089 is an equidigital number, since it uses as much as digits as its factorization.

74573089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 74573089 is about 8635.5711449794. The cubic root of 74573089 is about 420.9146525554.

The spelling of 74573089 in words is "seventy-four million, five hundred seventy-three thousand, eighty-nine".