72070565975 has 6 divisors (see below), whose sum is σ = 89367501840. Its totient is φ = 57656452760.

The previous prime is 72070565929. The next prime is 72070565981. The reversal of 72070565975 is 57956507027.

It is not a de Polignac number, because 72070565975 - 2⁶ = 72070565911 is a prime.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 1441411295 + ... + 1441411344.

It is an arithmetic number, because the mean of its divisors is an integer number (14894583640).

Almost surely, 2^72070565975 is an apocalyptic number.

72070565975 is a deficient number, since it is larger than the sum of its proper divisors (17296935865).

72070565975 is a wasteful number, since it uses less digits than its factorization.

72070565975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882822649 (or 2882822644 counting only the distinct ones).

The product of its (nonzero) digits is 4630500, while the sum is 53.

The spelling of 72070565975 in words is "seventy-two billion, seventy million, five hundred sixty-five thousand, nine hundred seventy-five".