75745912 has 64 divisors (see below), whose sum is σ = 163036800. Its totient is φ = 32672640.

The previous prime is 75745907. The next prime is 75745933. The reversal of 75745912 is 21954757.

It is a congruent number.

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, 170763 + ... + 171205.

It is an arithmetic number, because the mean of its divisors is an integer number (2547450).

Almost surely, 2^75745912 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 75745912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81518400).

75745912 is an abundant number, since it is smaller than the sum of its proper divisors (87290888).

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

75745912 is a wasteful number, since it uses less digits than its factorization.

75745912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 75745912 is about 8703.2127401322. The cubic root of 75745912 is about 423.1097822870.

The spelling of 75745912 in words is "seventy-five million, seven hundred forty-five thousand, nine hundred twelve".