7038749 has 4 divisors (see below), whose sum is σ = 7072320. Its totient is φ = 7005180.

The previous prime is 7038719. The next prime is 7038751. The reversal of 7038749 is 9478307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7038749 - 2¹² = 7034653 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7038709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16469 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (1768080).

Almost surely, 2^7038749 is an apocalyptic number.

It is an amenable number.

7038749 is a deficient number, since it is larger than the sum of its proper divisors (33571).

7038749 is a wasteful number, since it uses less digits than its factorization.

7038749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33570.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7038749 is about 2653.0640776280. The cubic root of 7038749 is about 191.6454412118.

The spelling of 7038749 in words is "seven million, thirty-eight thousand, seven hundred forty-nine".