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72070627 = 671075681
BaseRepresentation
bin1000100101110…
…11010111100011
312000121120022111
410102323113203
5121422230002
611052420151
71533406306
oct422732743
9160546274
1072070627
1137755802
1220177657
1311c15155
149800b3d
1564d93d7
hex44bb5e3

72070627 has 4 divisors (see below), whose sum is σ = 73146376. Its totient is φ = 70994880.

The previous prime is 72070601. The next prime is 72070657. The reversal of 72070627 is 72607027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72070627 - 27 = 72070499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72070657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537774 + ... + 537907.

It is an arithmetic number, because the mean of its divisors is an integer number (18286594).

Almost surely, 272070627 is an apocalyptic number.

72070627 is a deficient number, since it is larger than the sum of its proper divisors (1075749).

72070627 is a wasteful number, since it uses less digits than its factorization.

72070627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075748.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 72070627 is about 8489.4420900316. The cubic root of 72070627 is about 416.1527480087.

The spelling of 72070627 in words is "seventy-two million, seventy thousand, six hundred twenty-seven".

Divisors: 1 67 1075681 72070627