71303091 has 8 divisors (see below), whose sum is σ = 95246784. Its totient is φ = 47447400.

The previous prime is 71303077. The next prime is 71303101. The reversal of 71303091 is 19030317.

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

It is not a de Polignac number, because 71303091 - 2¹⁴ = 71286707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71303041) 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, 20085 + ... + 23366.

It is an arithmetic number, because the mean of its divisors is an integer number (11905848).

Almost surely, 2^71303091 is an apocalyptic number.

71303091 is a deficient number, since it is larger than the sum of its proper divisors (23943693).

71303091 is a wasteful number, since it uses less digits than its factorization.

71303091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44001.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 71303091 is about 8444.1157618782. The cubic root of 71303091 is about 414.6701612965.

The spelling of 71303091 in words is "seventy-one million, three hundred three thousand, ninety-one".