71499130 has 16 divisors (see below), whose sum is σ = 130512384. Its totient is φ = 28196560.

The previous prime is 71499097. The next prime is 71499139. The reversal of 71499130 is 3199417.

It is a super-2 number, since 2×71499130² = 10224251181513800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71499139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49642 + ... + 51061.

It is an arithmetic number, because the mean of its divisors is an integer number (8157024).

Almost surely, 2^71499130 is an apocalyptic number.

71499130 is a deficient number, since it is larger than the sum of its proper divisors (59013254).

71499130 is a wasteful number, since it uses less digits than its factorization.

71499130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100781.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 71499130 is about 8455.7158183089. The cubic root of 71499130 is about 415.0498415969.

The spelling of 71499130 in words is "seventy-one million, four hundred ninety-nine thousand, one hundred thirty".