38742003 has 16 divisors (see below), whose sum is σ = 57754240. Its totient is φ = 25666632.

The previous prime is 38742001. The next prime is 38742019. The reversal of 38742003 is 30024783.

38742003 is a nontrivial binomial coefficient, being equal to C(8803, 2).

It is not a de Polignac number, because 38742003 - 2¹ = 38742001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38742001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 8802.

It is an arithmetic number, because the mean of its divisors is an integer number (3609640).

Almost surely, 2^38742003 is an apocalyptic number.

38742003 is the 8802-nd triangular number.

38742003 is a deficient number, since it is larger than the sum of its proper divisors (19012237).

38742003 is a wasteful number, since it uses less digits than its factorization.

38742003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975 (or 8969 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 38742003 is about 6224.3074313533. The cubic root of 38742003 is about 338.3716923406.

Adding to 38742003 its reverse (30024783), we get a palindrome (68766786).

The spelling of 38742003 in words is "thirty-eight million, seven hundred forty-two thousand, three".