77276542 has 16 divisors (see below), whose sum is σ = 134341632. Its totient is φ = 32651640.

The previous prime is 77276539. The next prime is 77276581. The reversal of 77276542 is 24567277.

It is a junction number, because it is equal to n+sod(n) for n = 77276495 and 77276504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37878 + ... + 39865.

It is an arithmetic number, because the mean of its divisors is an integer number (8396352).

Almost surely, 2^77276542 is an apocalyptic number.

77276542 is a deficient number, since it is larger than the sum of its proper divisors (57065090).

77276542 is a wasteful number, since it uses less digits than its factorization.

77276542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77823.

The product of its digits is 164640, while the sum is 40.

The square root of 77276542 is about 8790.7077075739. The cubic root of 77276542 is about 425.9407846748.

The spelling of 77276542 in words is "seventy-seven million, two hundred seventy-six thousand, five hundred forty-two".