745493487 has 8 divisors (see below), whose sum is σ = 1026055680. Its totient is φ = 480963480.

The previous prime is 745493449. The next prime is 745493491. The reversal of 745493487 is 784394547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745493487 - 2¹² = 745489391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745493407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007937 + ... + 4008122.

It is an arithmetic number, because the mean of its divisors is an integer number (128256960).

Almost surely, 2^745493487 is an apocalyptic number.

745493487 is a deficient number, since it is larger than the sum of its proper divisors (280562193).

745493487 is a wasteful number, since it uses less digits than its factorization.

745493487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8016093.

The product of its digits is 3386880, while the sum is 51.

The square root of 745493487 is about 27303.7266137793. The cubic root of 745493487 is about 906.7368888596.

The spelling of 745493487 in words is "seven hundred forty-five million, four hundred ninety-three thousand, four hundred eighty-seven".