99748700 has 72 divisors (see below), whose sum is σ = 233318400. Its totient is φ = 36907200.

The previous prime is 99748679. The next prime is 99748709. The reversal of 99748700 is 784799.

99748700 = 95² + 96² + ... + 669².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99748709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70601 + ... + 71999.

Almost surely, 2^99748700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99748700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116659200).

99748700 is an abundant number, since it is smaller than the sum of its proper divisors (133569700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99748700 is a wasteful number, since it uses less digits than its factorization.

99748700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 99748700 is about 9987.4270961044. The cubic root of 99748700 is about 463.7697467876.

The spelling of 99748700 in words is "ninety-nine million, seven hundred forty-eight thousand, seven hundred".