745401087 has 24 divisors (see below), whose sum is σ = 1106476800. Its totient is φ = 483286608.

The previous prime is 745401079. The next prime is 745401127. The reversal of 745401087 is 780104547.

745401087 is a `hidden beast` number, since 7 + 4 + 540 + 108 + 7 = 666.

It is not a de Polignac number, because 745401087 - 2³ = 745401079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745401017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88464 + ... + 96522.

It is an arithmetic number, because the mean of its divisors is an integer number (46103200).

Almost surely, 2^745401087 is an apocalyptic number.

745401087 is a deficient number, since it is larger than the sum of its proper divisors (361075713).

745401087 is a wasteful number, since it uses less digits than its factorization.

745401087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347 (or 8344 counting only the distinct ones).

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

The square root of 745401087 is about 27302.0344846314. The cubic root of 745401087 is about 906.6994255543.

The spelling of 745401087 in words is "seven hundred forty-five million, four hundred one thousand, eighty-seven".