74734225949 has 2 divisors, whose sum is σ = 74734225950. Its totient is φ = 74734225948.

The previous prime is 74734225919. The next prime is 74734225987. The reversal of 74734225949 is 94952243747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45828105625 + 28906120324 = 214075^2 + 170018^2 .

It is a cyclic number.

It is not a de Polignac number, because 74734225949 - 2⁸ = 74734225693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74734225894 and 74734225903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74734225919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37367112974 + 37367112975.

It is an arithmetic number, because the mean of its divisors is an integer number (37367112975).

Almost surely, 2^74734225949 is an apocalyptic number.

It is an amenable number.

74734225949 is a deficient number, since it is larger than the sum of its proper divisors (1).

74734225949 is an equidigital number, since it uses as much as digits as its factorization.

74734225949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 74734225949 in words is "seventy-four billion, seven hundred thirty-four million, two hundred twenty-five thousand, nine hundred forty-nine".