74550673 has 2 divisors, whose sum is σ = 74550674. Its totient is φ = 74550672.

The previous prime is 74550647. The next prime is 74550703. The reversal of 74550673 is 37605547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70677649 + 3873024 = 8407^2 + 1968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74550673 is a prime.

It is not a weakly prime, because it can be changed into another prime (74550643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37275336 + 37275337.

It is an arithmetic number, because the mean of its divisors is an integer number (37275337).

Almost surely, 2^74550673 is an apocalyptic number.

It is an amenable number.

74550673 is a deficient number, since it is larger than the sum of its proper divisors (1).

74550673 is an equidigital number, since it uses as much as digits as its factorization.

74550673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 74550673 is about 8634.2731599133. The cubic root of 74550673 is about 420.8724739423.

The spelling of 74550673 in words is "seventy-four million, five hundred fifty thousand, six hundred seventy-three".