36747631 has 2 divisors, whose sum is σ = 36747632. Its totient is φ = 36747630.

The previous prime is 36747563. The next prime is 36747637. The reversal of 36747631 is 13674763.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36747631 - 2²¹ = 34650479 is a prime.

It is a super-2 number, since 2×36747631² = 2700776768224322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36747637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18373815 + 18373816.

It is an arithmetic number, because the mean of its divisors is an integer number (18373816).

Almost surely, 2^36747631 is an apocalyptic number.

36747631 is a deficient number, since it is larger than the sum of its proper divisors (1).

36747631 is an equidigital number, since it uses as much as digits as its factorization.

36747631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

The square root of 36747631 is about 6061.9824315153. The cubic root of 36747631 is about 332.4628439457.

The spelling of 36747631 in words is "thirty-six million, seven hundred forty-seven thousand, six hundred thirty-one".