71099130 has 32 divisors (see below), whose sum is σ = 173534400. Its totient is φ = 18637952.

The previous prime is 71099113. The next prime is 71099179. The reversal of 71099130 is 3199017.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18315 + ... + 21854.

It is an arithmetic number, because the mean of its divisors is an integer number (5422950).

Almost surely, 2^71099130 is an apocalyptic number.

71099130 is an abundant number, since it is smaller than the sum of its proper divisors (102435270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71099130 is a wasteful number, since it uses less digits than its factorization.

71099130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40238.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 71099130 is about 8432.0300046904. The cubic root of 71099130 is about 414.2743985925.

The spelling of 71099130 in words is "seventy-one million, ninety-nine thousand, one hundred thirty".