71413923 has 54 divisors (see below), whose sum is σ = 120603108. Its totient is φ = 37470720.

The previous prime is 71413907. The next prime is 71413939. The reversal of 71413923 is 32931417.

It is an interprime number because it is at equal distance from previous prime (71413907) and next prime (71413939).

It is not a de Polignac number, because 71413923 - 2⁴ = 71413907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71413943) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1741783 + ... + 1741823.

Almost surely, 2^71413923 is an apocalyptic number.

71413923 is a deficient number, since it is larger than the sum of its proper divisors (49189185).

71413923 is a wasteful number, since it uses less digits than its factorization.

71413923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 68 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 71413923 is about 8450.6758901286. The cubic root of 71413923 is about 414.8849015497.

The spelling of 71413923 in words is "seventy-one million, four hundred thirteen thousand, nine hundred twenty-three".