29750128 has 20 divisors (see below), whose sum is σ = 58432768. Its totient is φ = 14670720.

The previous prime is 29750117. The next prime is 29750129. The reversal of 29750128 is 82105792.

It is a junction number, because it is equal to n+sod(n) for n = 29750093 and 29750102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29750129) 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, 11568 + ... + 13903.

Almost surely, 2^29750128 is an apocalyptic number.

It is an amenable number.

29750128 is a deficient number, since it is larger than the sum of its proper divisors (28682640).

29750128 is a wasteful number, since it uses less digits than its factorization.

29750128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25552 (or 25546 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 29750128 is about 5454.3677910460. The cubic root of 29750128 is about 309.8581661262.

The spelling of 29750128 in words is "twenty-nine million, seven hundred fifty thousand, one hundred twenty-eight".