75998736 has 120 divisors (see below), whose sum is σ = 240755424. Its totient is φ = 23016960.

The previous prime is 75998731. The next prime is 75998737. The reversal of 75998736 is 63789957.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (75998731) 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, 41880 + ... + 43656.

Almost surely, 2^75998736 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 75998736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120377712).

75998736 is an abundant number, since it is smaller than the sum of its proper divisors (164756688).

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

75998736 is a wasteful number, since it uses less digits than its factorization.

75998736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1793 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 75998736 is about 8717.7253914080. The cubic root of 75998736 is about 423.5800101313.

The spelling of 75998736 in words is "seventy-five million, nine hundred ninety-eight thousand, seven hundred thirty-six".