745212087 has 6 divisors (see below), whose sum is σ = 1076417472. Its totient is φ = 496808052.

The previous prime is 745212073. The next prime is 745212109. The reversal of 745212087 is 780212547.

745212087 is a `hidden beast` number, since 7 + 452 + 120 + 87 = 666.

745212087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745212087 - 2⁴ = 745212071 is a prime.

It is a super-2 number, since 2×745212087² = 1110682109221791138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745212047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41400663 + ... + 41400680.

It is an arithmetic number, because the mean of its divisors is an integer number (179402912).

Almost surely, 2^745212087 is an apocalyptic number.

745212087 is a deficient number, since it is larger than the sum of its proper divisors (331205385).

745212087 is a wasteful number, since it uses less digits than its factorization.

745212087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82801349 (or 82801346 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 745212087 is about 27298.5729846818. The cubic root of 745212087 is about 906.6227864222.

The spelling of 745212087 in words is "seven hundred forty-five million, two hundred twelve thousand, eighty-seven".