7854749 has 12 divisors (see below), whose sum is σ = 9433728. Its totient is φ = 6514200.

The previous prime is 7854703. The next prime is 7854757. The reversal of 7854749 is 9474587.

7854749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7854749 - 2¹² = 7850653 is a prime.

It is a super-3 number, since 3×7854749³ (a number of 22 digits) contains 333 as substring.

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 (7854449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (786144).

Almost surely, 2^7854749 is an apocalyptic number.

It is an amenable number.

7854749 is a deficient number, since it is larger than the sum of its proper divisors (1578979).

7854749 is a wasteful number, since it uses less digits than its factorization.

7854749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216 (or 5209 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 7854749 is about 2802.6325124782. The cubic root of 7854749 is about 198.7821745573.

The spelling of 7854749 in words is "seven million, eight hundred fifty-four thousand, seven hundred forty-nine".