99174749 has 2 divisors, whose sum is σ = 99174750. Its totient is φ = 99174748.

The previous prime is 99174743. The next prime is 99174767. The reversal of 99174749 is 94747199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98505625 + 669124 = 9925^2 + 818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99174749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99174697 and 99174706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99174743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49587374 + 49587375.

It is an arithmetic number, because the mean of its divisors is an integer number (49587375).

Almost surely, 2^99174749 is an apocalyptic number.

It is an amenable number.

99174749 is a deficient number, since it is larger than the sum of its proper divisors (1).

99174749 is an equidigital number, since it uses as much as digits as its factorization.

99174749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 50.

The square root of 99174749 is about 9958.6519670084. The cubic root of 99174749 is about 462.8785295557.

The spelling of 99174749 in words is "ninety-nine million, one hundred seventy-four thousand, seven hundred forty-nine".