74204773 has 2 divisors, whose sum is σ = 74204774. Its totient is φ = 74204772.

The previous prime is 74204761. The next prime is 74204797. The reversal of 74204773 is 37740247.

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., 48469444 + 25735329 = 6962^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 74204773 - 2²⁵ = 40650341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74201773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37102386 + 37102387.

It is an arithmetic number, because the mean of its divisors is an integer number (37102387).

Almost surely, 2^74204773 is an apocalyptic number.

It is an amenable number.

74204773 is a deficient number, since it is larger than the sum of its proper divisors (1).

74204773 is an equidigital number, since it uses as much as digits as its factorization.

74204773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 74204773 is about 8614.2192333374. The cubic root of 74204773 is about 420.2205436574.

The spelling of 74204773 in words is "seventy-four million, two hundred four thousand, seven hundred seventy-three".