71461923 has 16 divisors (see below), whose sum is σ = 102838176. Its totient is φ = 43879680.

The previous prime is 71461903. The next prime is 71461933. The reversal of 71461923 is 32916417.

It is not a de Polignac number, because 71461923 - 2¹⁰ = 71460899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71461903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18561 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (6427386).

Almost surely, 2^71461923 is an apocalyptic number.

71461923 is a deficient number, since it is larger than the sum of its proper divisors (31376253).

71461923 is a wasteful number, since it uses less digits than its factorization.

71461923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its digits is 9072, while the sum is 33.

The square root of 71461923 is about 8453.5154225920. The cubic root of 71461923 is about 414.9778340123.

The spelling of 71461923 in words is "seventy-one million, four hundred sixty-one thousand, nine hundred twenty-three".