77456042 has 32 divisors (see below), whose sum is σ = 129530880. Its totient is φ = 34594560.

The previous prime is 77456033. The next prime is 77456069. The reversal of 77456042 is 24065477.

It is a junction number, because it is equal to n+sod(n) for n = 77455993 and 77456011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40418 + ... + 42290.

It is an arithmetic number, because the mean of its divisors is an integer number (4047840).

Almost surely, 2^77456042 is an apocalyptic number.

77456042 is a deficient number, since it is larger than the sum of its proper divisors (52074838).

77456042 is a wasteful number, since it uses less digits than its factorization.

77456042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 77456042 is about 8800.9114300736. The cubic root of 77456042 is about 426.2703251661.

The spelling of 77456042 in words is "seventy-seven million, four hundred fifty-six thousand, forty-two".