71893079 has 8 divisors (see below), whose sum is σ = 72819840. Its totient is φ = 70972416.

The previous prime is 71893067. The next prime is 71893099. The reversal of 71893079 is 97039817.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71893079 is a prime.

It is a super-2 number, since 2×71893079² = 10337229616200482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71893099) 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, 25082 + ... + 27800.

It is an arithmetic number, because the mean of its divisors is an integer number (9102480).

Almost surely, 2^71893079 is an apocalyptic number.

71893079 is a deficient number, since it is larger than the sum of its proper divisors (926761).

71893079 is a wasteful number, since it uses less digits than its factorization.

71893079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 71893079 is about 8478.9786531162. The cubic root of 71893079 is about 415.8107323653.

The spelling of 71893079 in words is "seventy-one million, eight hundred ninety-three thousand, seventy-nine".