39070000 has 50 divisors (see below), whose sum is σ = 94616588. Its totient is φ = 15624000.

The previous prime is 39069991. The next prime is 39070001. The reversal of 39070000 is 7093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 39070000.

It is not an unprimeable number, because it can be changed into a prime (39070001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8047 + ... + 11953.

Almost surely, 2^39070000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47308294).

39070000 is an abundant number, since it is smaller than the sum of its proper divisors (55546588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39070000 is an equidigital number, since it uses as much as digits as its factorization.

39070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 39070000 is about 6250.5999712028. The cubic root of 39070000 is about 339.3239160257.

Adding to 39070000 its reverse (7093), we get a palindrome (39077093).

The spelling of 39070000 in words is "thirty-nine million, seventy thousand".