71869130 has 16 divisors (see below), whose sum is σ = 130511304. Its totient is φ = 28492800.

The previous prime is 71869123. The next prime is 71869141. The reversal of 71869130 is 3196817.

It can be written as a sum of positive squares in 4 ways, for example, as 51825601 + 20043529 = 7199^2 + 4477^2 .

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, 30671 + ... + 32930.

Almost surely, 2^71869130 is an apocalyptic number.

71869130 is a deficient number, since it is larger than the sum of its proper divisors (58642174).

71869130 is a wasteful number, since it uses less digits than its factorization.

71869130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63721.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 71869130 is about 8477.5662781249. The cubic root of 71869130 is about 415.7645556571.

The spelling of 71869130 in words is "seventy-one million, eight hundred sixty-nine thousand, one hundred thirty".