676309642 has 4 divisors (see below), whose sum is σ = 1014464466. Its totient is φ = 338154820.

The previous prime is 676309607. The next prime is 676309661. The reversal of 676309642 is 246903676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 540144081 + 136165561 = 23241^2 + 11669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169077409 + ... + 169077412.

Almost surely, 2^676309642 is an apocalyptic number.

676309642 is a deficient number, since it is larger than the sum of its proper divisors (338154824).

676309642 is a wasteful number, since it uses less digits than its factorization.

676309642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338154823.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 676309642 is about 26005.9539721195. The cubic root of 676309642 is about 877.7722759054.

The spelling of 676309642 in words is "six hundred seventy-six million, three hundred nine thousand, six hundred forty-two".