36723668 has 6 divisors (see below), whose sum is σ = 64266426. Its totient is φ = 18361832.

The previous prime is 36723641. The next prime is 36723671. The reversal of 36723668 is 86632763.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 386884 = 6028^2 + 622^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4590455 + ... + 4590462.

It is an arithmetic number, because the mean of its divisors is an integer number (10711071).

Almost surely, 2^36723668 is an apocalyptic number.

It is an amenable number.

36723668 is a deficient number, since it is larger than the sum of its proper divisors (27542758).

36723668 is a wasteful number, since it uses less digits than its factorization.

36723668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180921 (or 9180919 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 36723668 is about 6060.0056105585. The cubic root of 36723668 is about 332.3905622843.

The spelling of 36723668 in words is "thirty-six million, seven hundred twenty-three thousand, six hundred sixty-eight".