99426737 has 2 divisors, whose sum is σ = 99426738. Its totient is φ = 99426736.

The previous prime is 99426731. The next prime is 99426749. The reversal of 99426737 is 73762499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 28344976 = 8431^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 99426737 - 2⁴ = 99426721 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99426691 and 99426700.

It is not a weakly prime, because it can be changed into another prime (99426731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49713368 + 49713369.

It is an arithmetic number, because the mean of its divisors is an integer number (49713369).

Almost surely, 2^99426737 is an apocalyptic number.

It is an amenable number.

99426737 is a deficient number, since it is larger than the sum of its proper divisors (1).

99426737 is an equidigital number, since it uses as much as digits as its factorization.

99426737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 99426737 is about 9971.2956530232. The cubic root of 99426737 is about 463.2702327102.

The spelling of 99426737 in words is "ninety-nine million, four hundred twenty-six thousand, seven hundred thirty-seven".