36990537 has 4 divisors (see below), whose sum is σ = 49320720. Its totient is φ = 24660356.

The previous prime is 36990451. The next prime is 36990539. The reversal of 36990537 is 73509963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36990537 - 2⁸ = 36990281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36990539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165087 + ... + 6165092.

It is an arithmetic number, because the mean of its divisors is an integer number (12330180).

Almost surely, 2^36990537 is an apocalyptic number.

It is an amenable number.

36990537 is a deficient number, since it is larger than the sum of its proper divisors (12330183).

36990537 is a wasteful number, since it uses less digits than its factorization.

36990537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330182.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 36990537 is about 6081.9846267481. The cubic root of 36990537 is about 333.1937748006.

The spelling of 36990537 in words is "thirty-six million, nine hundred ninety thousand, five hundred thirty-seven".