71523741 has 8 divisors (see below), whose sum is σ = 95413824. Its totient is φ = 47658080.

The previous prime is 71523737. The next prime is 71523757. The reversal of 71523741 is 14732517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71523741 - 2² = 71523737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71523699 and 71523708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71523761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2440 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (11926728).

Almost surely, 2^71523741 is an apocalyptic number.

It is an amenable number.

71523741 is a deficient number, since it is larger than the sum of its proper divisors (23890083).

71523741 is a wasteful number, since it uses less digits than its factorization.

71523741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12211.

The product of its digits is 5880, while the sum is 30.

The square root of 71523741 is about 8457.1709808895. The cubic root of 71523741 is about 415.0974581196.

The spelling of 71523741 in words is "seventy-one million, five hundred twenty-three thousand, seven hundred forty-one".