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740666887 is a prime number
BaseRepresentation
bin101100001001011…
…010111000000111
31220121200202221221
4230021122320013
53004102320022
6201255021211
724232364452
oct5411327007
91817622857
10740666887
113500a5aa4
1218806a807
13ba5aa63c
1470522499
1545056cc7
hex2c25ae07

740666887 has 2 divisors, whose sum is σ = 740666888. Its totient is φ = 740666886.

The previous prime is 740666831. The next prime is 740666893. The reversal of 740666887 is 788666047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740666887 - 211 = 740664839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740666287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370333443 + 370333444.

It is an arithmetic number, because the mean of its divisors is an integer number (370333444).

Almost surely, 2740666887 is an apocalyptic number.

740666887 is a deficient number, since it is larger than the sum of its proper divisors (1).

740666887 is an equidigital number, since it uses as much as digits as its factorization.

740666887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 740666887 is about 27215.1958839175. The cubic root of 740666887 is about 904.7758007146.

The spelling of 740666887 in words is "seven hundred forty million, six hundred sixty-six thousand, eight hundred eighty-seven".