74911760 has 80 divisors (see below), whose sum is σ = 217164672. Its totient is φ = 23347200.

The previous prime is 74911757. The next prime is 74911777. The reversal of 74911760 is 6711947.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×74911760² = 11223543572595200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 74911760.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80 + ... + 12240.

Almost surely, 2^74911760 is an apocalyptic number.

74911760 is a gapful number since it is divisible by the number (70) 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 74911760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108582336).

74911760 is an abundant number, since it is smaller than the sum of its proper divisors (142252912).

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

74911760 is a wasteful number, since it uses less digits than its factorization.

74911760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12192 (or 12186 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 74911760 is about 8655.1579997132. The cubic root of 74911760 is about 421.5508799728.

The spelling of 74911760 in words is "seventy-four million, nine hundred eleven thousand, seven hundred sixty".