71361590 has 16 divisors (see below), whose sum is σ = 128680272. Its totient is φ = 28493664.

The previous prime is 71361583. The next prime is 71361601. The reversal of 71361590 is 9516317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (8042517).

Almost surely, 2^71361590 is an apocalyptic number.

71361590 is a deficient number, since it is larger than the sum of its proper divisors (57318682).

71361590 is a wasteful number, since it uses less digits than its factorization.

71361590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 71361590 is about 8447.5789431055. The cubic root of 71361590 is about 414.7835325335.

The spelling of 71361590 in words is "seventy-one million, three hundred sixty-one thousand, five hundred ninety".