99437760 has 224 divisors, whose sum is σ = 371977920. Its totient is φ = 24920064.

The previous prime is 99437749. The next prime is 99437761. The reversal of 99437760 is 6773499.

It is a super-2 number, since 2×99437760² = 19775736227635200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99437761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146542 + ... + 147218.

Almost surely, 2^99437760 is an apocalyptic number.

99437760 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99437760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185988960).

99437760 is an abundant number, since it is smaller than the sum of its proper divisors (272540160).

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

99437760 is a wasteful number, since it uses less digits than its factorization.

99437760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 99437760 is about 9971.8483742985. The cubic root of 99437760 is about 463.2873523141.

The spelling of 99437760 in words is "ninety-nine million, four hundred thirty-seven thousand, seven hundred sixty".