29764728417 has 8 divisors (see below), whose sum is σ = 40245266880. Its totient is φ = 19563671120.

The previous prime is 29764728401. The next prime is 29764728449. The reversal of 29764728417 is 71482746792.

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 29764728417 - 2⁴ = 29764728401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29764728517) 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, 69870042 + ... + 69870467.

It is an arithmetic number, because the mean of its divisors is an integer number (5030658360).

Almost surely, 2^29764728417 is an apocalyptic number.

It is an amenable number.

29764728417 is a deficient number, since it is larger than the sum of its proper divisors (10480538463).

29764728417 is a wasteful number, since it uses less digits than its factorization.

29764728417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139740583.

The product of its digits is 9483264, while the sum is 57.

The spelling of 29764728417 in words is "twenty-nine billion, seven hundred sixty-four million, seven hundred twenty-eight thousand, four hundred seventeen".