36945971 has 12 divisors (see below), whose sum is σ = 38630592. Its totient is φ = 35331744.

The previous prime is 36945967. The next prime is 36945973. The reversal of 36945971 is 17954963.

It is not a de Polignac number, because 36945971 - 2² = 36945967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36945973) 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 11 ways as a sum of consecutive naturals, for example, 165566 + ... + 165788.

It is an arithmetic number, because the mean of its divisors is an integer number (3219216).

Almost surely, 2^36945971 is an apocalyptic number.

36945971 is a deficient number, since it is larger than the sum of its proper divisors (1684621).

36945971 is a wasteful number, since it uses less digits than its factorization.

36945971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 449 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 36945971 is about 6078.3197513787. The cubic root of 36945971 is about 333.0599110042.

The spelling of 36945971 in words is "thirty-six million, nine hundred forty-five thousand, nine hundred seventy-one".