36720077 has 4 divisors (see below), whose sum is σ = 36904800. Its totient is φ = 36535356.

The previous prime is 36720059. The next prime is 36720083. The reversal of 36720077 is 77002763.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77002763 = 19 ⋅4052777.

It is a cyclic number.

It is not a de Polignac number, because 36720077 - 2²⁴ = 19942861 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 (36720037) 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, 92063 + ... + 92460.

It is an arithmetic number, because the mean of its divisors is an integer number (9226200).

Almost surely, 2^36720077 is an apocalyptic number.

It is an amenable number.

36720077 is a deficient number, since it is larger than the sum of its proper divisors (184723).

36720077 is a wasteful number, since it uses less digits than its factorization.

36720077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184722.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 36720077 is about 6059.7093164607. The cubic root of 36720077 is about 332.3797277328.

The spelling of 36720077 in words is "thirty-six million, seven hundred twenty thousand, seventy-seven".