73215071 has 8 divisors (see below), whose sum is σ = 74085840. Its totient is φ = 72347968.

The previous prime is 73215061. The next prime is 73215091. The reversal of 73215071 is 17051237.

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 73215071 - 2¹⁸ = 72952927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73215071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73215011) 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, 65465 + ... + 66573.

It is an arithmetic number, because the mean of its divisors is an integer number (9260730).

Almost surely, 2^73215071 is an apocalyptic number.

73215071 is a deficient number, since it is larger than the sum of its proper divisors (870769).

73215071 is a wasteful number, since it uses less digits than its factorization.

73215071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 73215071 is about 8556.5805670256. The cubic root of 73215071 is about 418.3439531421.

The spelling of 73215071 in words is "seventy-three million, two hundred fifteen thousand, seventy-one".