694979746 has 4 divisors (see below), whose sum is σ = 1042469622. Its totient is φ = 347489872.

The previous prime is 694979743. The next prime is 694979801. The reversal of 694979746 is 647979496.

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., 648262521 + 46717225 = 25461^2 + 6835^2 .

It is not an unprimeable number, because it can be changed into a prime (694979743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173744935 + ... + 173744938.

Almost surely, 2^694979746 is an apocalyptic number.

694979746 is a deficient number, since it is larger than the sum of its proper divisors (347489876).

694979746 is a wasteful number, since it uses less digits than its factorization.

694979746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347489875.

The product of its digits is 20575296, while the sum is 61.

The square root of 694979746 is about 26362.4685111239. The cubic root of 694979746 is about 885.7762863268.

The spelling of 694979746 in words is "six hundred ninety-four million, nine hundred seventy-nine thousand, seven hundred forty-six".