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72104795 = 572060137
BaseRepresentation
bin1000100110000…
…11101101011011
312000200022011222
410103003231123
5121424323140
611053242255
71533611030
oct423035533
9160608158
1072104795
1137779444
122019338b
1311c27879
14980d387
1564e45b5
hex44c3b5b

72104795 has 8 divisors (see below), whose sum is σ = 98886624. Its totient is φ = 49443264.

The previous prime is 72104779. The next prime is 72104807. The reversal of 72104795 is 59740127.

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 72104795 - 24 = 72104779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2060137 = 72104795 / (7 + 2 + 1 + 0 + 4 + 7 + 9 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030034 + ... + 1030103.

It is an arithmetic number, because the mean of its divisors is an integer number (12360828).

Almost surely, 272104795 is an apocalyptic number.

72104795 is a deficient number, since it is larger than the sum of its proper divisors (26781829).

72104795 is a wasteful number, since it uses less digits than its factorization.

72104795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060149.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 72104795 is about 8491.4542335221. The cubic root of 72104795 is about 416.2185023075.

The spelling of 72104795 in words is "seventy-two million, one hundred four thousand, seven hundred ninety-five".

Divisors: 1 5 7 35 2060137 10300685 14420959 72104795