Search a number
-
+
72062957 is a prime number
BaseRepresentation
bin1000100101110…
…01011111101101
312000121011210102
410102321133231
5121422003312
611052320445
71533345041
oct422713755
9160534712
1072062957
113774aa6a
1220173125
1311c11805
1497dc021
1564d6ec2
hex44b97ed

72062957 has 2 divisors, whose sum is σ = 72062958. Its totient is φ = 72062956.

The previous prime is 72062951. The next prime is 72062981. The reversal of 72062957 is 75926027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66814276 + 5248681 = 8174^2 + 2291^2 .

It is an emirp because it is prime and its reverse (75926027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72062957 - 210 = 72061933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72062957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72062951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36031478 + 36031479.

It is an arithmetic number, because the mean of its divisors is an integer number (36031479).

Almost surely, 272062957 is an apocalyptic number.

It is an amenable number.

72062957 is a deficient number, since it is larger than the sum of its proper divisors (1).

72062957 is an equidigital number, since it uses as much as digits as its factorization.

72062957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 72062957 is about 8488.9903404351. The cubic root of 72062957 is about 416.1379846904.

The spelling of 72062957 in words is "seventy-two million, sixty-two thousand, nine hundred fifty-seven".