71152623 has 6 divisors (see below), whose sum is σ = 102776024. Its totient is φ = 47435076.

The previous prime is 71152619. The next prime is 71152637. The reversal of 71152623 is 32625117.

It is a happy number.

It is not a de Polignac number, because 71152623 - 2² = 71152619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71152603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3952915 + ... + 3952932.

Almost surely, 2^71152623 is an apocalyptic number.

71152623 is a deficient number, since it is larger than the sum of its proper divisors (31623401).

71152623 is a wasteful number, since it uses less digits than its factorization.

71152623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905853 (or 7905850 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 71152623 is about 8435.2014202389. The cubic root of 71152623 is about 414.3782687102.

The spelling of 71152623 in words is "seventy-one million, one hundred fifty-two thousand, six hundred twenty-three".