71392998 has 8 divisors (see below), whose sum is σ = 142786008. Its totient is φ = 23797664.

The previous prime is 71392987. The next prime is 71393033. The reversal of 71392998 is 89929317.

It is a sphenic number, since it is the product of 3 distinct primes.

71392998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949411 + ... + 5949422.

It is an arithmetic number, because the mean of its divisors is an integer number (17848251).

Almost surely, 2^71392998 is an apocalyptic number.

71392998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71392998 is a wasteful number, since it uses less digits than its factorization.

71392998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898838.

The product of its digits is 244944, while the sum is 48.

The square root of 71392998 is about 8449.4377327725. The cubic root of 71392998 is about 414.8443757705.

It can be divided in two parts, 71392 and 998, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 71392998 in words is "seventy-one million, three hundred ninety-two thousand, nine hundred ninety-eight".