675434787 has 8 divisors (see below), whose sum is σ = 908549904. Its totient is φ = 446304768.

The previous prime is 675434723. The next prime is 675434831. The reversal of 675434787 is 787434576.

It is a happy number.

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

It is not a de Polignac number, because 675434787 - 2⁶ = 675434723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675434587) 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, 995878 + ... + 996555.

It is an arithmetic number, because the mean of its divisors is an integer number (113568738).

Almost surely, 2^675434787 is an apocalyptic number.

675434787 is a deficient number, since it is larger than the sum of its proper divisors (233115117).

675434787 is a wasteful number, since it uses less digits than its factorization.

675434787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992549.

The product of its digits is 3951360, while the sum is 51.

The square root of 675434787 is about 25989.1282462494. The cubic root of 675434787 is about 877.3936254686.

The spelling of 675434787 in words is "six hundred seventy-five million, four hundred thirty-four thousand, seven hundred eighty-seven".