39373081 has 4 divisors (see below), whose sum is σ = 42952464. Its totient is φ = 35793700.

The previous prime is 39373063. The next prime is 39373091. The reversal of 39373081 is 18037393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18037393 = 11 ⋅1639763.

It is a cyclic number.

It is not a de Polignac number, because 39373081 - 2⁷ = 39372953 is a prime.

It is a super-2 number, since 2×39373081² = 3100479014865122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39373021) 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 3 ways as a sum of consecutive naturals, for example, 1789675 + ... + 1789696.

It is an arithmetic number, because the mean of its divisors is an integer number (10738116).

Almost surely, 2^39373081 is an apocalyptic number.

It is an amenable number.

39373081 is a deficient number, since it is larger than the sum of its proper divisors (3579383).

39373081 is a wasteful number, since it uses less digits than its factorization.

39373081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579382.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 39373081 is about 6274.7972875624. The cubic root of 39373081 is about 340.1990789131.

The spelling of 39373081 in words is "thirty-nine million, three hundred seventy-three thousand, eighty-one".