745552087 has 4 divisors (see below), whose sum is σ = 852059536. Its totient is φ = 639044640.

The previous prime is 745552069. The next prime is 745552099. The reversal of 745552087 is 780255547.

745552087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780255547 = 3697 ⋅211051.

It is a cyclic number.

It is not a de Polignac number, because 745552087 - 2²⁷ = 611334359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745552037) 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, 53253714 + ... + 53253727.

It is an arithmetic number, because the mean of its divisors is an integer number (213014884).

Almost surely, 2^745552087 is an apocalyptic number.

745552087 is a deficient number, since it is larger than the sum of its proper divisors (106507449).

745552087 is a wasteful number, since it uses less digits than its factorization.

745552087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106507448.

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 745552087 is about 27304.7997062787. The cubic root of 745552087 is about 906.7606464512.

The spelling of 745552087 in words is "seven hundred forty-five million, five hundred fifty-two thousand, eighty-seven".