747685684 has 6 divisors (see below), whose sum is σ = 1308449954. Its totient is φ = 373842840.

The previous prime is 747685661. The next prime is 747685699. The reversal of 747685684 is 486586747.

It can be written as a sum of positive squares in only one way, i.e., 667188900 + 80496784 = 25830^2 + 8972^2 .

It is a congruent number.

It is an unprimeable number.

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, 93460707 + ... + 93460714.

Almost surely, 2^747685684 is an apocalyptic number.

It is an amenable number.

747685684 is a deficient number, since it is larger than the sum of its proper divisors (560764270).

747685684 is a wasteful number, since it uses less digits than its factorization.

747685684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186921425 (or 186921423 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The square root of 747685684 is about 27343.8417929888. The cubic root of 747685684 is about 907.6248021284.

The spelling of 747685684 in words is "seven hundred forty-seven million, six hundred eighty-five thousand, six hundred eighty-four".