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72096071 = 1673491237
BaseRepresentation
bin1000100110000…
…01100101000111
312000122212012212
410103001211013
5121424033241
611053134035
71533543425
oct423014507
9160585185
1072096071
1137772933
122018a31b
1311c238c8
14980a115
1564e1beb
hex44c1947

72096071 has 8 divisors (see below), whose sum is σ = 72794400. Its totient is φ = 71401248.

The previous prime is 72096047. The next prime is 72096097. The reversal of 72096071 is 17069027.

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 72096071 - 226 = 4987207 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 (72093071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57665 + ... + 58901.

It is an arithmetic number, because the mean of its divisors is an integer number (9099300).

Almost surely, 272096071 is an apocalyptic number.

72096071 is a deficient number, since it is larger than the sum of its proper divisors (698329).

72096071 is a wasteful number, since it uses less digits than its factorization.

72096071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 72096071 is about 8490.9405250537. The cubic root of 72096071 is about 416.2017154597.

The spelling of 72096071 in words is "seventy-two million, ninety-six thousand, seventy-one".

Divisors: 1 167 349 1237 58283 206579 431713 72096071