76530072 has 64 divisors (see below), whose sum is σ = 204364800. Its totient is φ = 23829120.

The previous prime is 76530031. The next prime is 76530079. The reversal of 76530072 is 27003567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76530079) 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, 19803 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (3193200).

Almost surely, 2^76530072 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 76530072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102182400).

76530072 is an abundant number, since it is smaller than the sum of its proper divisors (127834728).

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

76530072 is a wasteful number, since it uses less digits than its factorization.

76530072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616 (or 3612 counting only the distinct ones).

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

The square root of 76530072 is about 8748.1467751747. The cubic root of 76530072 is about 424.5648547347.

The spelling of 76530072 in words is "seventy-six million, five hundred thirty thousand, seventy-two".