36638734 has 16 divisors (see below), whose sum is σ = 60271920. Its totient is φ = 16565760.

The previous prime is 36638729. The next prime is 36638737. The reversal of 36638734 is 43783663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36638737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 8560.

It is an arithmetic number, because the mean of its divisors is an integer number (3766995).

Almost surely, 2^36638734 is an apocalyptic number.

36638734 is a deficient number, since it is larger than the sum of its proper divisors (23633186).

36638734 is a wasteful number, since it uses less digits than its factorization.

36638734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its digits is 217728, while the sum is 40.

The square root of 36638734 is about 6052.9938047218. The cubic root of 36638734 is about 332.1341150224.

Subtracting 36638734 from its reverse (43783663), we obtain a square (7144929 = 2673²).

The spelling of 36638734 in words is "thirty-six million, six hundred thirty-eight thousand, seven hundred thirty-four".