39002070 has 64 divisors (see below), whose sum is σ = 98594496. Its totient is φ = 9861120.

The previous prime is 39002069. The next prime is 39002099. The reversal of 39002070 is 7020093.

It is a super-2 number, since 2×39002070² = 3042322928569800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45082 + ... + 45938.

It is an arithmetic number, because the mean of its divisors is an integer number (1540539).

Almost surely, 2^39002070 is an apocalyptic number.

39002070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39002070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49297248).

39002070 is an abundant number, since it is smaller than the sum of its proper divisors (59592426).

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

39002070 is a wasteful number, since it uses less digits than its factorization.

39002070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 39002070 is about 6245.1637288385. The cubic root of 39002070 is about 339.1271440309.

The spelling of 39002070 in words is "thirty-nine million, two thousand, seventy".