76280336 has 90 divisors (see below), whose sum is σ = 171953838. Its totient is φ = 32736000.

The previous prime is 76280299. The next prime is 76280339. The reversal of 76280336 is 63308267.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 29767936 = 6820^2 + 5456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76280296 and 76280305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76280339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1860476 + ... + 1860516.

Almost surely, 2^76280336 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 76280336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85976919).

76280336 is an abundant number, since it is smaller than the sum of its proper divisors (95673502).

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

76280336 is a wasteful number, since it uses less digits than its factorization.

76280336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 76280336 is about 8733.8614598584. The cubic root of 76280336 is about 424.1025324599.

The spelling of 76280336 in words is "seventy-six million, two hundred eighty thousand, three hundred thirty-six".