77542482 has 16 divisors (see below), whose sum is σ = 155488320. Its totient is φ = 25780272.

The previous prime is 77542481. The next prime is 77542483. The reversal of 77542482 is 28424577.

It is an interprime number because it is at equal distance from previous prime (77542481) and next prime (77542483).

It is a self number, because there is not a number n which added to its sum of digits gives 77542482.

It is not an unprimeable number, because it can be changed into a prime (77542481) 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 7 ways as a sum of consecutive naturals, for example, 14278 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (9718020).

Almost surely, 2^77542482 is an apocalyptic number.

77542482 is an abundant number, since it is smaller than the sum of its proper divisors (77945838).

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

77542482 is a wasteful number, since it uses less digits than its factorization.

77542482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33617.

The product of its digits is 125440, while the sum is 39.

The square root of 77542482 is about 8805.8209157352. The cubic root of 77542482 is about 426.4288370462.

The spelling of 77542482 in words is "seventy-seven million, five hundred forty-two thousand, four hundred eighty-two".