71377423 has 4 divisors (see below), whose sum is σ = 76868008. Its totient is φ = 65886840.

The previous prime is 71377421. The next prime is 71377499. The reversal of 71377423 is 32477317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71377423 - 2¹ = 71377421 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 (71377421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745273 + ... + 2745298.

It is an arithmetic number, because the mean of its divisors is an integer number (19217002).

Almost surely, 2^71377423 is an apocalyptic number.

71377423 is a deficient number, since it is larger than the sum of its proper divisors (5490585).

71377423 is a wasteful number, since it uses less digits than its factorization.

71377423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490584.

The product of its digits is 24696, while the sum is 34.

The square root of 71377423 is about 8448.5160235393. The cubic root of 71377423 is about 414.8142062803.

The spelling of 71377423 in words is "seventy-one million, three hundred seventy-seven thousand, four hundred twenty-three".