29740381 has 4 divisors (see below), whose sum is σ = 32444064. Its totient is φ = 27036700.

The previous prime is 29740369. The next prime is 29740387. The reversal of 29740381 is 18304792.

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 29740381 - 2⁵ = 29740349 is a prime.

It is a super-2 number, since 2×29740381² = 1768980524050322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29740387) 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, 1351825 + ... + 1351846.

It is an arithmetic number, because the mean of its divisors is an integer number (8111016).

Almost surely, 2^29740381 is an apocalyptic number.

It is an amenable number.

29740381 is a deficient number, since it is larger than the sum of its proper divisors (2703683).

29740381 is a wasteful number, since it uses less digits than its factorization.

29740381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703682.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 29740381 is about 5453.4742137467. The cubic root of 29740381 is about 309.8243229392.

The spelling of 29740381 in words is "twenty-nine million, seven hundred forty thousand, three hundred eighty-one".