Search a number
-
+
72969127 = 711947651
BaseRepresentation
bin1000101100101…
…10101110100111
312002022012211021
410112112232213
5122140003002
611123552011
71544140660
oct426265647
9162265737
1072969127
1138209870
122052b607
131216b0ca
149996367
156615737
hex4596ba7

72969127 has 8 divisors (see below), whose sum is σ = 90974592. Its totient is φ = 56859000.

The previous prime is 72969107. The next prime is 72969137. The reversal of 72969127 is 72196927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72969127 - 27 = 72968999 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 (72969107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473749 + ... + 473902.

It is an arithmetic number, because the mean of its divisors is an integer number (11371824).

Almost surely, 272969127 is an apocalyptic number.

72969127 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

72969127 is a deficient number, since it is larger than the sum of its proper divisors (18005465).

72969127 is a wasteful number, since it uses less digits than its factorization.

72969127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947669.

The product of its digits is 95256, while the sum is 43.

The square root of 72969127 is about 8542.1968485864. The cubic root of 72969127 is about 417.8749940980.

The spelling of 72969127 in words is "seventy-two million, nine hundred sixty-nine thousand, one hundred twenty-seven".

Divisors: 1 7 11 77 947651 6633557 10424161 72969127