93728693 has 2 divisors, whose sum is σ = 93728694. Its totient is φ = 93728692.

The previous prime is 93728651. The next prime is 93728711. The reversal of 93728693 is 39682739.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62837329 + 30891364 = 7927^2 + 5558^2 .

It is an emirp because it is prime and its reverse (39682739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93728693 - 2²⁴ = 76951477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93728603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46864346 + 46864347.

It is an arithmetic number, because the mean of its divisors is an integer number (46864347).

Almost surely, 2^93728693 is an apocalyptic number.

It is an amenable number.

93728693 is a deficient number, since it is larger than the sum of its proper divisors (1).

93728693 is an equidigital number, since it uses as much as digits as its factorization.

93728693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 93728693 is about 9681.3580142457. The cubic root of 93728693 is about 454.2457301440.

The spelling of 93728693 in words is "ninety-three million, seven hundred twenty-eight thousand, six hundred ninety-three".