71797130 has 16 divisors (see below), whose sum is σ = 129345120. Its totient is φ = 28694352.

The previous prime is 71797129. The next prime is 71797151. The reversal of 71797130 is 3179717.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13517 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (8084070).

Almost surely, 2^71797130 is an apocalyptic number.

71797130 is a deficient number, since it is larger than the sum of its proper divisors (57547990).

71797130 is a wasteful number, since it uses less digits than its factorization.

71797130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 71797130 is about 8473.3187122874. The cubic root of 71797130 is about 415.6256687196.

The spelling of 71797130 in words is "seventy-one million, seven hundred ninety-seven thousand, one hundred thirty".