71240573 has 8 divisors (see below), whose sum is σ = 73635840. Its totient is φ = 68851440.

The previous prime is 71240569. The next prime is 71240581. The reversal of 71240573 is 37504217.

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 71240573 - 2² = 71240569 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 (71240593) 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, 43811 + ... + 45407.

It is an arithmetic number, because the mean of its divisors is an integer number (9204480).

Almost surely, 2^71240573 is an apocalyptic number.

It is an amenable number.

71240573 is a deficient number, since it is larger than the sum of its proper divisors (2395267).

71240573 is a wasteful number, since it uses less digits than its factorization.

71240573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71240573 is about 8440.4130823082. The cubic root of 71240573 is about 414.5489326596.

The spelling of 71240573 in words is "seventy-one million, two hundred forty thousand, five hundred seventy-three".