42738004 has 6 divisors (see below), whose sum is σ = 74791514. Its totient is φ = 21369000.

The previous prime is 42737999. The next prime is 42738019. The reversal of 42738004 is 40083724.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 8398404 = 5860^2 + 2898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5342247 + ... + 5342254.

Almost surely, 2^42738004 is an apocalyptic number.

It is an amenable number.

42738004 is a deficient number, since it is larger than the sum of its proper divisors (32053510).

42738004 is a wasteful number, since it uses less digits than its factorization.

42738004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684505 (or 10684503 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42738004 is about 6537.4309938997. The cubic root of 42738004 is about 349.6268240235.

The spelling of 42738004 in words is "forty-two million, seven hundred thirty-eight thousand, four".