71329688507 has 8 divisors (see below), whose sum is σ = 88930520832. Its totient is φ = 55581575400.

The previous prime is 71329688501. The next prime is 71329688519. The reversal of 71329688507 is 70588692317.

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 71329688507 - 2⁴ = 71329688491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71329688501) 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, 463179719 + ... + 463179872.

It is an arithmetic number, because the mean of its divisors is an integer number (11116315104).

Almost surely, 2^71329688507 is an apocalyptic number.

71329688507 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

71329688507 is a deficient number, since it is larger than the sum of its proper divisors (17600832325).

71329688507 is a wasteful number, since it uses less digits than its factorization.

71329688507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926359609.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 71329688507 in words is "seventy-one billion, three hundred twenty-nine million, six hundred eighty-eight thousand, five hundred seven".