93749729 has 2 divisors, whose sum is σ = 93749730. Its totient is φ = 93749728.

The previous prime is 93749717. The next prime is 93749731. The reversal of 93749729 is 92794739.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68095504 + 25654225 = 8252^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 93749729 - 2⁸ = 93749473 is a prime.

Together with 93749731, 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 (93749759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46874864 + 46874865.

It is an arithmetic number, because the mean of its divisors is an integer number (46874865).

Almost surely, 2^93749729 is an apocalyptic number.

It is an amenable number.

93749729 is a deficient number, since it is larger than the sum of its proper divisors (1).

93749729 is an equidigital number, since it uses as much as digits as its factorization.

93749729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 50.

The square root of 93749729 is about 9682.4443711286. Note that the first 3 decimals coincide. The cubic root of 93749729 is about 454.2797104835.

The spelling of 93749729 in words is "ninety-three million, seven hundred forty-nine thousand, seven hundred twenty-nine".