7429681 has 8 divisors (see below), whose sum is σ = 8520704. Its totient is φ = 6346080.

The previous prime is 7429679. The next prime is 7429687. The reversal of 7429681 is 1869247.

7429681 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7429681 - 2¹ = 7429679 is a prime.

It is a super-2 number, since 2×7429681² = 110400319523522, which contains 22 as substring.

It is a Duffinian number.

7429681 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 7429681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7429687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (1065088).

Almost surely, 2^7429681 is an apocalyptic number.

It is an amenable number.

7429681 is a deficient number, since it is larger than the sum of its proper divisors (1091023).

7429681 is a wasteful number, since it uses less digits than its factorization.

7429681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its digits is 24192, while the sum is 37.

The square root of 7429681 is about 2725.7441185849. The cubic root of 7429681 is about 195.1297055101.

The spelling of 7429681 in words is "seven million, four hundred twenty-nine thousand, six hundred eighty-one".