74750773 has 2 divisors, whose sum is σ = 74750774. Its totient is φ = 74750772.

The previous prime is 74750737. The next prime is 74750789. The reversal of 74750773 is 37705747.

Together with previous prime (74750737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 28483569 = 6802^2 + 5337^2 .

It is a cyclic number.

It is not a de Polignac number, because 74750773 - 2⁹ = 74750261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74751773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37375386 + 37375387.

It is an arithmetic number, because the mean of its divisors is an integer number (37375387).

Almost surely, 2^74750773 is an apocalyptic number.

It is an amenable number.

74750773 is a deficient number, since it is larger than the sum of its proper divisors (1).

74750773 is an equidigital number, since it uses as much as digits as its factorization.

74750773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 74750773 is about 8645.8529365240. The cubic root of 74750773 is about 421.2486893977.

The spelling of 74750773 in words is "seventy-four million, seven hundred fifty thousand, seven hundred seventy-three".