77456346 has 16 divisors (see below), whose sum is σ = 168995808. Its totient is φ = 23471600.

The previous prime is 77456333. The next prime is 77456371. The reversal of 77456346 is 64365477.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77456298 and 77456307.

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, 586725 + ... + 586856.

It is an arithmetic number, because the mean of its divisors is an integer number (10562238).

Almost surely, 2^77456346 is an apocalyptic number.

77456346 is an abundant number, since it is smaller than the sum of its proper divisors (91539462).

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

77456346 is a wasteful number, since it uses less digits than its factorization.

77456346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173597.

The product of its digits is 423360, while the sum is 42.

The square root of 77456346 is about 8800.9287009951. The cubic root of 77456346 is about 426.2708828416.

The spelling of 77456346 in words is "seventy-seven million, four hundred fifty-six thousand, three hundred forty-six".