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70380677 is a prime number
BaseRepresentation
bin1000011000111…
…10110010000101
311220102201010202
410030132302011
5121004140202
610552300245
71513140323
oct414366205
9156381122
1070380677
1136801054
121b6a1685
1311772b93
1494c0d13
1562a3802
hex431ec85

70380677 has 2 divisors, whose sum is σ = 70380678. Its totient is φ = 70380676.

The previous prime is 70380659. The next prime is 70380683. The reversal of 70380677 is 77608307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 591361 = 8354^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 70380677 - 28 = 70380421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70380677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70380077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35190338 + 35190339.

It is an arithmetic number, because the mean of its divisors is an integer number (35190339).

Almost surely, 270380677 is an apocalyptic number.

It is an amenable number.

70380677 is a deficient number, since it is larger than the sum of its proper divisors (1).

70380677 is an equidigital number, since it uses as much as digits as its factorization.

70380677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 70380677 is about 8389.3192214863. The cubic root of 70380677 is about 412.8742647926.

The spelling of 70380677 in words is "seventy million, three hundred eighty thousand, six hundred seventy-seven".