76921300 has 36 divisors (see below), whose sum is σ = 168474460. Its totient is φ = 30481920.

The previous prime is 76921283. The next prime is 76921301. The reversal of 76921300 is 312967.

It can be written as a sum of positive squares in 6 ways, for example, as 8561476 + 68359824 = 2926^2 + 8268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76921301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7372 + ... + 14428.

Almost surely, 2^76921300 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 76921300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84237230).

76921300 is an abundant number, since it is smaller than the sum of its proper divisors (91553160).

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

76921300 is a wasteful number, since it uses less digits than its factorization.

76921300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180 (or 7173 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 76921300 is about 8770.4788922840. The cubic root of 76921300 is about 425.2870955219.

The spelling of 76921300 in words is "seventy-six million, nine hundred twenty-one thousand, three hundred".