77482040 has 16 divisors (see below), whose sum is σ = 174334680. Its totient is φ = 30992800.

The previous prime is 77482037. The next prime is 77482061. The reversal of 77482040 is 4028477.

It is a junction number, because it is equal to n+sod(n) for n = 77481988 and 77482006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 968486 + ... + 968565.

Almost surely, 2^77482040 is an apocalyptic number.

It is an amenable number.

77482040 is an abundant number, since it is smaller than the sum of its proper divisors (96852640).

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

77482040 is a wasteful number, since it uses less digits than its factorization.

77482040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937062 (or 1937058 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 77482040 is about 8802.3883122707. The cubic root of 77482040 is about 426.3180121549.

The spelling of 77482040 in words is "seventy-seven million, four hundred eighty-two thousand, forty".