76421752 has 32 divisors (see below), whose sum is σ = 158215680. Its totient is φ = 34315360.

The previous prime is 76421747. The next prime is 76421759. The reversal of 76421752 is 25712467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76421759) 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, 2073 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (4944240).

Almost surely, 2^76421752 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 76421752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79107840).

76421752 is an abundant number, since it is smaller than the sum of its proper divisors (81793928).

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

76421752 is a wasteful number, since it uses less digits than its factorization.

76421752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563 (or 10559 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 76421752 is about 8741.9535574150. The cubic root of 76421752 is about 424.3644516846.

The spelling of 76421752 in words is "seventy-six million, four hundred twenty-one thousand, seven hundred fifty-two".