737668 has 6 divisors (see below), whose sum is σ = 1290926. Its totient is φ = 368832.

The previous prime is 737663. The next prime is 737683. The reversal of 737668 is 866737.

It can be written as a sum of positive squares in only one way, i.e., 432964 + 304704 = 658^2 + 552^2 .

It is a super-4 number, since 4×737668⁴ (a number of 25 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (737663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92205 + ... + 92212.

2⁷³⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

737668 is a deficient number, since it is larger than the sum of its proper divisors (553258).

737668 is a wasteful number, since it uses less digits than its factorization.

737668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184421 (or 184419 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 737668 is about 858.8760096778. The cubic root of 737668 is about 90.3553033016.

It can be divided in two parts, 7 and 37668, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 737668 in words is "seven hundred thirty-seven thousand, six hundred sixty-eight".