196729451 has 8 divisors (see below), whose sum is σ = 202798080. Its totient is φ = 190739368.

The previous prime is 196729447. The next prime is 196729459. The reversal of 196729451 is 154927691.

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 196729451 - 2² = 196729447 is a prime.

It is a super-2 number, since 2×196729451² = 77404953781522802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196729459) 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, 14531 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (25349760).

Almost surely, 2^196729451 is an apocalyptic number.

196729451 is a deficient number, since it is larger than the sum of its proper divisors (6068629).

196729451 is a wasteful number, since it uses less digits than its factorization.

196729451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273.

The product of its digits is 136080, while the sum is 44.

The square root of 196729451 is about 14026.0276272364. The cubic root of 196729451 is about 581.5982976523.

The spelling of 196729451 in words is "one hundred ninety-six million, seven hundred twenty-nine thousand, four hundred fifty-one".