94640237 has 2 divisors, whose sum is σ = 94640238. Its totient is φ = 94640236.

The previous prime is 94640213. The next prime is 94640251. The reversal of 94640237 is 73204649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56460196 + 38180041 = 7514^2 + 6179^2 .

It is a cyclic number.

It is not a de Polignac number, because 94640237 - 2¹⁰ = 94639213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 94640197 and 94640206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94640267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47320118 + 47320119.

It is an arithmetic number, because the mean of its divisors is an integer number (47320119).

Almost surely, 2^94640237 is an apocalyptic number.

It is an amenable number.

94640237 is a deficient number, since it is larger than the sum of its proper divisors (1).

94640237 is an equidigital number, since it uses as much as digits as its factorization.

94640237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 94640237 is about 9728.3213865497. The cubic root of 94640237 is about 455.7135477140.

The spelling of 94640237 in words is "ninety-four million, six hundred forty thousand, two hundred thirty-seven".