Search a number
-
+
72768411 = 328085379
BaseRepresentation
bin1000101011001…
…01101110011011
312001221000111100
410111211232123
5122112042121
611115402443
71542343542
oct425455633
9161830440
1072768411
1138091a91
1220453423
13120ca941
149943159
1565c6026
hex4565b9b

72768411 has 6 divisors (see below), whose sum is σ = 105109940. Its totient is φ = 48512268.

The previous prime is 72768391. The next prime is 72768419. The reversal of 72768411 is 11486727.

It is not a de Polignac number, because 72768411 - 217 = 72637339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72768419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042681 + ... + 4042698.

Almost surely, 272768411 is an apocalyptic number.

72768411 is a deficient number, since it is larger than the sum of its proper divisors (32341529).

72768411 is a wasteful number, since it uses less digits than its factorization.

72768411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085385 (or 8085382 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 72768411 is about 8530.4402582751. The cubic root of 72768411 is about 417.4914930080.

The spelling of 72768411 in words is "seventy-two million, seven hundred sixty-eight thousand, four hundred eleven".

Divisors: 1 3 9 8085379 24256137 72768411