75748734 has 24 divisors (see below), whose sum is σ = 164756592. Its totient is φ = 25152000.

The previous prime is 75748733. The next prime is 75748741. The reversal of 75748734 is 43784757.

75748734 is a `hidden beast` number, since 7 + 574 + 8 + 73 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 75748734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75748733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3267 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (6864858).

Almost surely, 2^75748734 is an apocalyptic number.

75748734 is an abundant number, since it is smaller than the sum of its proper divisors (89007858).

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

75748734 is a wasteful number, since it uses less digits than its factorization.

75748734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272 (or 16269 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 75748734 is about 8703.3748626610. The cubic root of 75748734 is about 423.1150367003.

The spelling of 75748734 in words is "seventy-five million, seven hundred forty-eight thousand, seven hundred thirty-four".