75906072 has 160 divisors (see below), whose sum is σ = 242542080. Its totient is φ = 21954240.

The previous prime is 75906059. The next prime is 75906091. The reversal of 75906072 is 27060957.

75906072 is a `hidden beast` number, since 7 + 590 + 60 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163713 + ... + 164175.

It is an arithmetic number, because the mean of its divisors is an integer number (1515888).

Almost surely, 2^75906072 is an apocalyptic number.

75906072 is a gapful number since it is divisible by the number (72) 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 75906072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121271040).

75906072 is an abundant number, since it is smaller than the sum of its proper divisors (166636008).

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

75906072 is a wasteful number, since it uses less digits than its factorization.

75906072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 75906072 is about 8712.4090813047. The cubic root of 75906072 is about 423.4077854186.

The spelling of 75906072 in words is "seventy-five million, nine hundred six thousand, seventy-two".