71979148 has 12 divisors (see below), whose sum is σ = 130027072. Its totient is φ = 34828560.

The previous prime is 71979113. The next prime is 71979199. The reversal of 71979148 is 84197917.

It is a junction number, because it is equal to n+sod(n) for n = 71979098 and 71979107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290115 + ... + 290362.

Almost surely, 2^71979148 is an apocalyptic number.

It is an amenable number.

71979148 is a deficient number, since it is larger than the sum of its proper divisors (58047924).

71979148 is a wasteful number, since it uses less digits than its factorization.

71979148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580512 (or 580510 counting only the distinct ones).

The product of its digits is 127008, while the sum is 46.

The square root of 71979148 is about 8484.0525693798. The cubic root of 71979148 is about 415.9765997069.

It can be divided in two parts, 71979 and 148, that added together give a palindrome (72127).

The spelling of 71979148 in words is "seventy-one million, nine hundred seventy-nine thousand, one hundred forty-eight".