71972703 has 48 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 40737600.

The previous prime is 71972653. The next prime is 71972707. The reversal of 71972703 is 30727917.

It is not a de Polignac number, because 71972703 - 2¹³ = 71964511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71972707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155893 + ... + 156353.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^71972703 is an apocalyptic number.

71972703 is a deficient number, since it is larger than the sum of its proper divisors (49108257).

71972703 is a wasteful number, since it uses less digits than its factorization.

71972703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 71972703 is about 8483.6727306044. The cubic root of 71972703 is about 415.9641838463.

The spelling of 71972703 in words is "seventy-one million, nine hundred seventy-two thousand, seven hundred three".