74897113 has 2 divisors, whose sum is σ = 74897114. Its totient is φ = 74897112.

The previous prime is 74897101. The next prime is 74897117. The reversal of 74897113 is 31179847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 2442969 = 8512^2 + 1563^2 .

It is a cyclic number.

It is not a de Polignac number, because 74897113 - 2¹³ = 74888921 is a prime.

It is not a weakly prime, because it can be changed into another prime (74897117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37448556 + 37448557.

It is an arithmetic number, because the mean of its divisors is an integer number (37448557).

Almost surely, 2^74897113 is an apocalyptic number.

It is an amenable number.

74897113 is a deficient number, since it is larger than the sum of its proper divisors (1).

74897113 is an equidigital number, since it uses as much as digits as its factorization.

74897113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 74897113 is about 8654.3118155056. The cubic root of 74897113 is about 421.5234038320.

The spelling of 74897113 in words is "seventy-four million, eight hundred ninety-seven thousand, one hundred thirteen".