74204761 has 2 divisors, whose sum is σ = 74204762. Its totient is φ = 74204760.

The previous prime is 74204759. The next prime is 74204773. The reversal of 74204761 is 16740247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 36000000 = 6181^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 74204761 - 2¹ = 74204759 is a prime.

Together with 74204759, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74204701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37102380 + 37102381.

It is an arithmetic number, because the mean of its divisors is an integer number (37102381).

Almost surely, 2^74204761 is an apocalyptic number.

It is an amenable number.

74204761 is a deficient number, since it is larger than the sum of its proper divisors (1).

74204761 is an equidigital number, since it uses as much as digits as its factorization.

74204761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74204761 is about 8614.2185368146. The cubic root of 74204761 is about 420.2205210055.

The spelling of 74204761 in words is "seventy-four million, two hundred four thousand, seven hundred sixty-one".