71320007 has 8 divisors (see below), whose sum is σ = 77930640. Its totient is φ = 64730560.

The previous prime is 71320003. The next prime is 71320013. The reversal of 71320007 is 70002317.

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 71320007 - 2² = 71320003 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 (71320001) 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, 2219 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (9741330).

Almost surely, 2^71320007 is an apocalyptic number.

71320007 is a deficient number, since it is larger than the sum of its proper divisors (6610633).

71320007 is a wasteful number, since it uses less digits than its factorization.

71320007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 71320007 is about 8445.1173467276. The cubic root of 71320007 is about 414.7029509260.

The spelling of 71320007 in words is "seventy-one million, three hundred twenty thousand, seven".