36920731 has 2 divisors, whose sum is σ = 36920732. Its totient is φ = 36920730.

The previous prime is 36920717. The next prime is 36920747. The reversal of 36920731 is 13702963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36920731 - 2¹¹ = 36918683 is a prime.

It is a super-2 number, since 2×36920731² = 2726280755148722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36920693 and 36920702.

It is not a weakly prime, because it can be changed into another prime (36920711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18460365 + 18460366.

It is an arithmetic number, because the mean of its divisors is an integer number (18460366).

Almost surely, 2^36920731 is an apocalyptic number.

36920731 is a deficient number, since it is larger than the sum of its proper divisors (1).

36920731 is an equidigital number, since it uses as much as digits as its factorization.

36920731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 36920731 is about 6076.2431649828. The cubic root of 36920731 is about 332.9840493522.

The spelling of 36920731 in words is "thirty-six million, nine hundred twenty thousand, seven hundred thirty-one".