77251482 has 120 divisors (see below), whose sum is σ = 217834848. Its totient is φ = 20029680.

The previous prime is 77251481. The next prime is 77251487. The reversal of 77251482 is 28415277.

It is not an unprimeable number, because it can be changed into a prime (77251481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 136933 + ... + 137495.

Almost surely, 2^77251482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77251482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108917424).

77251482 is an abundant number, since it is smaller than the sum of its proper divisors (140583366).

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

77251482 is a wasteful number, since it uses less digits than its factorization.

77251482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 586 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 77251482 is about 8789.2822232535. The cubic root of 77251482 is about 425.8947369359.

The spelling of 77251482 in words is "seventy-seven million, two hundred fifty-one thousand, four hundred eighty-two".