75706072 has 32 divisors (see below), whose sum is σ = 153997200. Its totient is φ = 34683264.

The previous prime is 75706069. The next prime is 75706073. The reversal of 75706072 is 27060757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75706073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11838 + ... + 17074.

Almost surely, 2^75706072 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 75706072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76998600).

75706072 is an abundant number, since it is smaller than the sum of its proper divisors (78291128).

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

75706072 is a wasteful number, since it uses less digits than its factorization.

75706072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 75706072 is about 8700.9236291327. The cubic root of 75706072 is about 423.0355884042.

The spelling of 75706072 in words is "seventy-five million, seven hundred six thousand, seventy-two".