36973731 has 8 divisors (see below), whose sum is σ = 50888704. Its totient is φ = 23853960.

The previous prime is 36973711. The next prime is 36973757. The reversal of 36973731 is 13737963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-36973731 is a prime.

It is a super-2 number, since 2×36973731² = 2734113568120722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36973731.

It is not an unprimeable number, because it can be changed into a prime (36973711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198691 + ... + 198876.

It is an arithmetic number, because the mean of its divisors is an integer number (6361088).

Almost surely, 2^36973731 is an apocalyptic number.

36973731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

36973731 is a deficient number, since it is larger than the sum of its proper divisors (13914973).

36973731 is a wasteful number, since it uses less digits than its factorization.

36973731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397601.

The product of its digits is 71442, while the sum is 39.

The square root of 36973731 is about 6080.6028484025. The cubic root of 36973731 is about 333.1433069127.

The spelling of 36973731 in words is "thirty-six million, nine hundred seventy-three thousand, seven hundred thirty-one".