39745085 has 4 divisors (see below), whose sum is σ = 47694108. Its totient is φ = 31796064.

The previous prime is 39745049. The next prime is 39745087. The reversal of 39745085 is 58054793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 31787044 = 2821^2 + 5638^2 .

It is a cyclic number.

It is not a de Polignac number, because 39745085 - 2¹⁸ = 39482941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39745087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974504 + ... + 3974513.

It is an arithmetic number, because the mean of its divisors is an integer number (11923527).

Almost surely, 2^39745085 is an apocalyptic number.

It is an amenable number.

39745085 is a deficient number, since it is larger than the sum of its proper divisors (7949023).

39745085 is an equidigital number, since it uses as much as digits as its factorization.

39745085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949022.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 39745085 is about 6304.3703095551. The cubic root of 39745085 is about 341.2671430246.

The spelling of 39745085 in words is "thirty-nine million, seven hundred forty-five thousand, eighty-five".