99747545 has 8 divisors (see below), whose sum is σ = 121383360. Its totient is φ = 78673840.

The previous prime is 99747541. The next prime is 99747577. The reversal of 99747545 is 54574799.

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

It is not a de Polignac number, because 99747545 - 2² = 99747541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99747493 and 99747502.

It is not an unprimeable number, because it can be changed into a prime (99747541) 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, 140135 + ... + 140844.

It is an arithmetic number, because the mean of its divisors is an integer number (15172920).

Almost surely, 2^99747545 is an apocalyptic number.

It is an amenable number.

99747545 is a deficient number, since it is larger than the sum of its proper divisors (21635815).

99747545 is a wasteful number, since it uses less digits than its factorization.

99747545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281055.

The product of its digits is 1587600, while the sum is 50.

The square root of 99747545 is about 9987.3692732371. The cubic root of 99747545 is about 463.7679567689.

The spelling of 99747545 in words is "ninety-nine million, seven hundred forty-seven thousand, five hundred forty-five".