10071990 has 96 divisors (see below), whose sum is σ = 28810080. Its totient is φ = 2429952.

The previous prime is 10071983. The next prime is 10071991. The reversal of 10071990 is 9917001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10071991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44257 + ... + 44483.

It is an arithmetic number, because the mean of its divisors is an integer number (300105).

Almost surely, 2^10071990 is an apocalyptic number.

10071990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10071990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14405040).

10071990 is an abundant number, since it is smaller than the sum of its proper divisors (18738090).

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

10071990 is a wasteful number, since it uses less digits than its factorization.

10071990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 10071990 is about 3173.6398661474. The cubic root of 10071990 is about 215.9592258427.

Adding to 10071990 its reverse (9917001), we get a palindrome (19988991).

The spelling of 10071990 in words is "ten million, seventy-one thousand, nine hundred ninety".