29073381 has 8 divisors (see below), whose sum is σ = 40015104. Its totient is φ = 18756960.

The previous prime is 29073367. The next prime is 29073391. The reversal of 29073381 is 18337092.

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

It is not a de Polignac number, because 29073381 - 2¹⁰ = 29072357 is a prime.

It is a super-2 number, since 2×29073381² = 1690522965542322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29073301) 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, 156216 + ... + 156401.

It is an arithmetic number, because the mean of its divisors is an integer number (5001888).

Almost surely, 2^29073381 is an apocalyptic number.

It is an amenable number.

29073381 is a deficient number, since it is larger than the sum of its proper divisors (10941723).

29073381 is a wasteful number, since it uses less digits than its factorization.

29073381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312651.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 29073381 is about 5391.9737573545. The cubic root of 29073381 is about 307.4906018676.

The spelling of 29073381 in words is "twenty-nine million, seventy-three thousand, three hundred eighty-one".