3749738 has 4 divisors (see below), whose sum is σ = 5624610. Its totient is φ = 1874868.

The previous prime is 3749699. The next prime is 3749761. The reversal of 3749738 is 8379473.

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., 3323329 + 426409 = 1823^2 + 653^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3749695 and 3749704.

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, 937433 + ... + 937436.

Almost surely, 2^3749738 is an apocalyptic number.

3749738 is a deficient number, since it is larger than the sum of its proper divisors (1874872).

3749738 is a wasteful number, since it uses less digits than its factorization.

3749738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874871.

The product of its digits is 127008, while the sum is 41.

The square root of 3749738 is about 1936.4240238130. The cubic root of 3749738 is about 155.3580070138.

The spelling of 3749738 in words is "three million, seven hundred forty-nine thousand, seven hundred thirty-eight".