71157461 has 8 divisors (see below), whose sum is σ = 76049280. Its totient is φ = 66344128.

The previous prime is 71157409. The next prime is 71157491. The reversal of 71157461 is 16475117.

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 71157461 - 2⁶ = 71157397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71157491) 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, 17741 + ... + 21378.

It is an arithmetic number, because the mean of its divisors is an integer number (9506160).

Almost surely, 2^71157461 is an apocalyptic number.

It is an amenable number.

71157461 is a deficient number, since it is larger than the sum of its proper divisors (4891819).

71157461 is a wasteful number, since it uses less digits than its factorization.

71157461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243.

The product of its digits is 5880, while the sum is 32.

The square root of 71157461 is about 8435.4881897849. The cubic root of 71157461 is about 414.3876603369.

The spelling of 71157461 in words is "seventy-one million, one hundred fifty-seven thousand, four hundred sixty-one".