Search a number
-
+
72760534 = 27113115241
BaseRepresentation
bin1000101011000…
…11110011010110
312001220121200121
410111203303112
5122111314114
611115302154
71542311560
oct425436326
9161817617
1072760534
1138087080
122044a95a
13120c7192
149940330
1565c3a24
hex4563cd6

72760534 has 32 divisors (see below), whose sum is σ = 140470272. Its totient is φ = 27432000.

The previous prime is 72760531. The next prime is 72760543. The reversal of 72760534 is 43506727.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72760534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72760531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (4389696).

Almost surely, 272760534 is an apocalyptic number.

72760534 is a deficient number, since it is larger than the sum of its proper divisors (67709738).

72760534 is a wasteful number, since it uses less digits than its factorization.

72760534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15292.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72760534 is about 8529.9785462802. The cubic root of 72760534 is about 417.4764283248.

The spelling of 72760534 in words is "seventy-two million, seven hundred sixty thousand, five hundred thirty-four".

Divisors: 1 2 7 11 14 22 31 62 77 154 217 341 434 682 2387 4774 15241 30482 106687 167651 213374 335302 472471 944942 1173557 2347114 3307297 5197181 6614594 10394362 36380267 72760534