72071875 has 12 divisors (see below), whose sum is σ = 90087984. Its totient is φ = 57655000.

The previous prime is 72071849. The next prime is 72071897. The reversal of 72071875 is 57817027.

It is not a de Polignac number, because 72071875 - 2¹¹ = 72069827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8407 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (7507332).

Almost surely, 2^72071875 is an apocalyptic number.

72071875 is a deficient number, since it is larger than the sum of its proper divisors (18016109).

72071875 is an frugal number, since it uses more digits than its factorization.

72071875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23088 (or 23068 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 72071875 is about 8489.5155927768. The cubic root of 72071875 is about 416.1551500766.

The spelling of 72071875 in words is "seventy-two million, seventy-one thousand, eight hundred seventy-five".