71972098 has 8 divisors (see below), whose sum is σ = 117772560. Its totient is φ = 32714580.

The previous prime is 71972093. The next prime is 71972099. The reversal of 71972098 is 89027917.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (71972093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635708 + ... + 1635751.

It is an arithmetic number, because the mean of its divisors is an integer number (14721570).

Almost surely, 2^71972098 is an apocalyptic number.

71972098 is a deficient number, since it is larger than the sum of its proper divisors (45800462).

71972098 is a wasteful number, since it uses less digits than its factorization.

71972098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271472.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 71972098 is about 8483.6370738027. The cubic root of 71972098 is about 415.9630183163.

The spelling of 71972098 in words is "seventy-one million, nine hundred seventy-two thousand, ninety-eight".