71304086 has 32 divisors (see below), whose sum is σ = 130470912. Its totient is φ = 28529280.

The previous prime is 71304073. The next prime is 71304091. The reversal of 71304086 is 68040317.

It is a congruent number.

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, 30035 + ... + 32321.

It is an arithmetic number, because the mean of its divisors is an integer number (4077216).

Almost surely, 2^71304086 is an apocalyptic number.

71304086 is a deficient number, since it is larger than the sum of its proper divisors (59166826).

71304086 is a wasteful number, since it uses less digits than its factorization.

71304086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 71304086 is about 8444.1746784396. The cubic root of 71304086 is about 414.6720901278.

The spelling of 71304086 in words is "seventy-one million, three hundred four thousand, eighty-six".