71970002 has 24 divisors (see below), whose sum is σ = 118584000. Its totient is φ = 32738160.

The previous prime is 71969987. The next prime is 71970007. The reversal of 71970002 is 20007917.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (71970007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22499 + ... + 25497.

It is an arithmetic number, because the mean of its divisors is an integer number (4941000).

Almost surely, 2^71970002 is an apocalyptic number.

71970002 is a deficient number, since it is larger than the sum of its proper divisors (46613998).

71970002 is a wasteful number, since it uses less digits than its factorization.

71970002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 71970002 is about 8483.5135409805. The cubic root of 71970002 is about 415.9589803304.

Adding to 71970002 its reverse (20007917), we get a palindrome (91977919).

The spelling of 71970002 in words is "seventy-one million, nine hundred seventy thousand, two".