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70357037 is a prime number
BaseRepresentation
bin1000011000110…
…01000000101101
311220101111201012
410030121000231
5121002411122
610551555005
71513011362
oct414310055
9156344635
1070357037
1136795313
121b68ba65
13117651aa
1494b6469
15629b7e2
hex431902d

70357037 has 2 divisors, whose sum is σ = 70357038. Its totient is φ = 70357036.

The previous prime is 70357031. The next prime is 70357039. The reversal of 70357037 is 73075307.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70324996 + 32041 = 8386^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 70357037 - 220 = 69308461 is a prime.

It is a super-2 number, since 2×703570372 = 9900225310838738, which contains 22 as substring.

Together with 70357039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70356994 and 70357012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70357031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35178518 + 35178519.

It is an arithmetic number, because the mean of its divisors is an integer number (35178519).

Almost surely, 270357037 is an apocalyptic number.

It is an amenable number.

70357037 is a deficient number, since it is larger than the sum of its proper divisors (1).

70357037 is an equidigital number, since it uses as much as digits as its factorization.

70357037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 70357037 is about 8387.9101688084. The cubic root of 70357037 is about 412.8280331609.

The spelling of 70357037 in words is "seventy million, three hundred fifty-seven thousand, thirty-seven".