36744431 has 2 divisors, whose sum is σ = 36744432. Its totient is φ = 36744430.

The previous prime is 36744419. The next prime is 36744467. The reversal of 36744431 is 13444763.

It is a weak prime.

It is an emirp because it is prime and its reverse (13444763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36744431 - 2¹⁰ = 36743407 is a prime.

It is a super-2 number, since 2×36744431² = 2700306419027522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36744931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18372215 + 18372216.

It is an arithmetic number, because the mean of its divisors is an integer number (18372216).

Almost surely, 2^36744431 is an apocalyptic number.

36744431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36744431 is an equidigital number, since it uses as much as digits as its factorization.

36744431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 36744431 is about 6061.7184857101. The cubic root of 36744431 is about 332.4531933283.

The spelling of 36744431 in words is "thirty-six million, seven hundred forty-four thousand, four hundred thirty-one".