36694429 has 2 divisors, whose sum is σ = 36694430. Its totient is φ = 36694428.

The previous prime is 36694403. The next prime is 36694457. The reversal of 36694429 is 92449663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22781529 + 13912900 = 4773^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 36694429 - 2¹⁵ = 36661661 is a prime.

It is a super-2 number, since 2×36694429² = 2692962239272082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36694459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18347214 + 18347215.

It is an arithmetic number, because the mean of its divisors is an integer number (18347215).

Almost surely, 2^36694429 is an apocalyptic number.

It is an amenable number.

36694429 is a deficient number, since it is larger than the sum of its proper divisors (1).

36694429 is an equidigital number, since it uses as much as digits as its factorization.

36694429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 36694429 is about 6057.5926736617. The cubic root of 36694429 is about 332.3023235666.

The spelling of 36694429 in words is "thirty-six million, six hundred ninety-four thousand, four hundred twenty-nine".