71051090 has 32 divisors (see below), whose sum is σ = 139955904. Its totient is φ = 25755840.

The previous prime is 71051083. The next prime is 71051129. The reversal of 71051090 is 9015017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42857 + ... + 44483.

It is an arithmetic number, because the mean of its divisors is an integer number (4373622).

Almost surely, 2^71051090 is an apocalyptic number.

71051090 is a deficient number, since it is larger than the sum of its proper divisors (68904814).

71051090 is a wasteful number, since it uses less digits than its factorization.

71051090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 71051090 is about 8429.1808617445. The cubic root of 71051090 is about 414.1810724333.

The spelling of 71051090 in words is "seventy-one million, fifty-one thousand, ninety".