36987773 has 4 divisors (see below), whose sum is σ = 37002780. Its totient is φ = 36972768.

The previous prime is 36987763. The next prime is 36987779. The reversal of 36987773 is 37778963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37778963 = 1607 ⋅23509.

It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 11957764 = 5003^2 + 3458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36987773 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 (36987779) 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, 2840 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (9250695).

Almost surely, 2^36987773 is an apocalyptic number.

It is an amenable number.

36987773 is a deficient number, since it is larger than the sum of its proper divisors (15007).

36987773 is a wasteful number, since it uses less digits than its factorization.

36987773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15006.

The product of its digits is 1333584, while the sum is 50.

The square root of 36987773 is about 6081.7573940433. The cubic root of 36987773 is about 333.1854756462.

The spelling of 36987773 in words is "thirty-six million, nine hundred eighty-seven thousand, seven hundred seventy-three".