36577021 has 16 divisors (see below), whose sum is σ = 40360320. Its totient is φ = 32944320.

The previous prime is 36576997. The next prime is 36577031. The reversal of 36577021 is 12077563.

It is a cyclic number.

It is not a de Polignac number, because 36577021 - 2⁵ = 36576989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36577031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117456 + ... + 117766.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^36577021 is an apocalyptic number.

It is an amenable number.

36577021 is a deficient number, since it is larger than the sum of its proper divisors (3783299).

36577021 is a wasteful number, since it uses less digits than its factorization.

36577021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 36577021 is about 6047.8939309482. The cubic root of 36577021 is about 331.9475318692.

The spelling of 36577021 in words is "thirty-six million, five hundred seventy-seven thousand, twenty-one".