71976002 has 18 divisors (see below), whose sum is σ = 125737497. Its totient is φ = 30810864.

The previous prime is 71976001. The next prime is 71976013. The reversal of 71976002 is 20067917.

It can be written as a sum of positive squares in 2 ways, for example, as 54745201 + 17230801 = 7399^2 + 4151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5999.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71976002.

It is not an unprimeable number, because it can be changed into a prime (71976001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83558 + ... + 84414.

Almost surely, 2^71976002 is an apocalyptic number.

71976002 is a deficient number, since it is larger than the sum of its proper divisors (53761495).

71976002 is an frugal number, since it uses more digits than its factorization.

71976002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71976002 is about 8483.8671606762. The cubic root of 71976002 is about 415.9705392413.

Multiplying 71976002 by its sum of digits (32), we get a square (2303232064 = 47992²).

The spelling of 71976002 in words is "seventy-one million, nine hundred seventy-six thousand, two".