71207745962 has 4 divisors (see below), whose sum is σ = 106811618946. Its totient is φ = 35603872980.

The previous prime is 71207745943. The next prime is 71207745977. The reversal of 71207745962 is 26954770217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26954770217 = 79 ⋅341199623.

It can be written as a sum of positive squares in only one way, i.e., 55172842321 + 16034903641 = 234889^2 + 126629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71207745962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17801936489 + ... + 17801936492.

Almost surely, 2^71207745962 is an apocalyptic number.

71207745962 is a deficient number, since it is larger than the sum of its proper divisors (35603872984).

71207745962 is a wasteful number, since it uses less digits than its factorization.

71207745962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603872983.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 71207745962 in words is "seventy-one billion, two hundred seven million, seven hundred forty-five thousand, nine hundred sixty-two".