36747621 has 8 divisors (see below), whose sum is σ = 54440960. Its totient is φ = 24498396.

The previous prime is 36747563. The next prime is 36747631. The reversal of 36747621 is 12674763.

It is not a de Polignac number, because 36747621 - 2¹⁰ = 36746597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36747631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680485 + ... + 680538.

It is an arithmetic number, because the mean of its divisors is an integer number (6805120).

Almost surely, 2^36747621 is an apocalyptic number.

It is an amenable number.

36747621 is a deficient number, since it is larger than the sum of its proper divisors (17693339).

36747621 is a wasteful number, since it uses less digits than its factorization.

36747621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361032 (or 1361026 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 36747621 is about 6061.9816067025. The cubic root of 36747621 is about 332.4628137884.

It can be divided in two parts, 3674762 and 1, that added together give a palindrome (3674763).

The spelling of 36747621 in words is "thirty-six million, seven hundred forty-seven thousand, six hundred twenty-one".