Search a number
-
+
72067310 = 2571029533
BaseRepresentation
bin1000100101110…
…10100011101110
312000121101202122
410102322203232
5121422123220
611052352542
71533363530
oct422724356
9160541678
1072067310
1137753267
1220175752
1311c137a3
1497dd850
1564d8425
hex44ba8ee

72067310 has 16 divisors (see below), whose sum is σ = 148252896. Its totient is φ = 24708768.

The previous prime is 72067297. The next prime is 72067321. The reversal of 72067310 is 1376027.

It is a super-2 number, since 2×720673102 = 10387394341272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72067310.

It is a congruent 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, 514697 + ... + 514836.

It is an arithmetic number, because the mean of its divisors is an integer number (9265806).

Almost surely, 272067310 is an apocalyptic number.

72067310 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72067310 is an abundant number, since it is smaller than the sum of its proper divisors (76185586).

72067310 is a wasteful number, since it uses less digits than its factorization.

72067310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029547.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 72067310 is about 8489.2467274782. The cubic root of 72067310 is about 416.1463635314.

The spelling of 72067310 in words is "seventy-two million, sixty-seven thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1029533 2059066 5147665 7206731 10295330 14413462 36033655 72067310