75999012 has 48 divisors (see below), whose sum is σ = 187535040. Its totient is φ = 23887872.

The previous prime is 75998987. The next prime is 75999023. The reversal of 75999012 is 21099957.

It is a super-2 number, since 2×75999012² = 11551699649952288, which contains 22 as substring.

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, 57948 + ... + 59244.

It is an arithmetic number, because the mean of its divisors is an integer number (3906980).

Almost surely, 2^75999012 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 75999012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93767520).

75999012 is an abundant number, since it is smaller than the sum of its proper divisors (111536028).

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

75999012 is a wasteful number, since it uses less digits than its factorization.

75999012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 75999012 is about 8717.7412212109. The cubic root of 75999012 is about 423.5805228940.

The spelling of 75999012 in words is "seventy-five million, nine hundred ninety-nine thousand, twelve".