7042749 has 24 divisors (see below), whose sum is σ = 11338560. Its totient is φ = 3808512.

The previous prime is 7042747. The next prime is 7042753. The reversal of 7042749 is 9472407.

It is not a de Polignac number, because 7042749 - 2¹ = 7042747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7117 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (472440).

Almost surely, 2^7042749 is an apocalyptic number.

It is an amenable number.

7042749 is a deficient number, since it is larger than the sum of its proper divisors (4295811).

7042749 is a wasteful number, since it uses less digits than its factorization.

7042749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7042749 is about 2653.8178159022. The cubic root of 7042749 is about 191.6817372733.

The spelling of 7042749 in words is "seven million, forty-two thousand, seven hundred forty-nine".