71316770 has 16 divisors (see below), whose sum is σ = 146708928. Its totient is φ = 24451440.

The previous prime is 71316769. The next prime is 71316787. The reversal of 71316770 is 7761317.

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, 509336 + ... + 509475.

It is an arithmetic number, because the mean of its divisors is an integer number (9169308).

Almost surely, 2^71316770 is an apocalyptic number.

71316770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71316770 is an abundant number, since it is smaller than the sum of its proper divisors (75392158).

71316770 is a wasteful number, since it uses less digits than its factorization.

71316770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018825.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 71316770 is about 8444.9256953510. The cubic root of 71316770 is about 414.6966767924.

The spelling of 71316770 in words is "seventy-one million, three hundred sixteen thousand, seven hundred seventy".