99717451 has 8 divisors (see below), whose sum is σ = 101290640. Its totient is φ = 98156448.

The previous prime is 99717439. The next prime is 99717463. The reversal of 99717451 is 15471799.

It is an interprime number because it is at equal distance from previous prime (99717439) and next prime (99717463).

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 99717451 - 2⁵ = 99717419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99717398 and 99717407.

It is not an unprimeable number, because it can be changed into a prime (99717481) 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, 14200 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (12661330).

Almost surely, 2^99717451 is an apocalyptic number.

99717451 is a deficient number, since it is larger than the sum of its proper divisors (1573189).

99717451 is a wasteful number, since it uses less digits than its factorization.

99717451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

The product of its digits is 79380, while the sum is 43.

The square root of 99717451 is about 9985.8625566348. The cubic root of 99717451 is about 463.7213122234.

The spelling of 99717451 in words is "ninety-nine million, seven hundred seventeen thousand, four hundred fifty-one".