75030672 has 80 divisors (see below), whose sum is σ = 201862080. Its totient is φ = 23993856.

The previous prime is 75030667. The next prime is 75030679. The reversal of 75030672 is 27603057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75030679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147154 + ... + 147662.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^75030672 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 75030672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100931040).

75030672 is an abundant number, since it is smaller than the sum of its proper divisors (126831408).

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

75030672 is a wasteful number, since it uses less digits than its factorization.

75030672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 75030672 is about 8662.0247055755. The cubic root of 75030672 is about 421.7738131863.

The spelling of 75030672 in words is "seventy-five million, thirty thousand, six hundred seventy-two".