29300681 has 4 divisors (see below), whose sum is σ = 29452692. Its totient is φ = 29148672.

The previous prime is 29300671. The next prime is 29300729. The reversal of 29300681 is 18600392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11526025 + 17774656 = 3395^2 + 4216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29300681 is a prime.

It is a super-2 number, since 2×29300681² = 1717059814127522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29300671) 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, 75716 + ... + 76101.

It is an arithmetic number, because the mean of its divisors is an integer number (7363173).

Almost surely, 2^29300681 is an apocalyptic number.

It is an amenable number.

29300681 is a deficient number, since it is larger than the sum of its proper divisors (152011).

29300681 is a wasteful number, since it uses less digits than its factorization.

29300681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152010.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 29300681 is about 5413.0103454547. The cubic root of 29300681 is about 308.2898582644.

The spelling of 29300681 in words is "twenty-nine million, three hundred thousand, six hundred eighty-one".