71036990 has 8 divisors (see below), whose sum is σ = 127866600. Its totient is φ = 28414792.

The previous prime is 71036983. The next prime is 71036993. The reversal of 71036990 is 9963017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71036990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71036993) 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, 3551840 + ... + 3551859.

It is an arithmetic number, because the mean of its divisors is an integer number (15983325).

Almost surely, 2^71036990 is an apocalyptic number.

71036990 is a deficient number, since it is larger than the sum of its proper divisors (56829610).

71036990 is a wasteful number, since it uses less digits than its factorization.

71036990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103706.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 71036990 is about 8428.3444400428. The cubic root of 71036990 is about 414.1536727154.

The spelling of 71036990 in words is "seventy-one million, thirty-six thousand, nine hundred ninety".