71141090 has 32 divisors (see below), whose sum is σ = 136888704. Its totient is φ = 26525440.

The previous prime is 71141029. The next prime is 71141099. The reversal of 71141090 is 9014117.

It is a super-2 number, since 2×71141090² = 10122109372776200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71141099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16235 + ... + 20145.

It is an arithmetic number, because the mean of its divisors is an integer number (4277772).

Almost surely, 2^71141090 is an apocalyptic number.

71141090 is a deficient number, since it is larger than the sum of its proper divisors (65747614).

71141090 is a wasteful number, since it uses less digits than its factorization.

71141090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 71141090 is about 8434.5177692622. The cubic root of 71141090 is about 414.3558788923.

The spelling of 71141090 in words is "seventy-one million, one hundred forty-one thousand, ninety".