77345630 has 16 divisors (see below), whose sum is σ = 139348944. Its totient is φ = 30910080.

The previous prime is 77345629. The next prime is 77345657. The reversal of 77345630 is 3654377.

It is a happy number.

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, 10769 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (8709309).

Almost surely, 2^77345630 is an apocalyptic number.

77345630 is a deficient number, since it is larger than the sum of its proper divisors (62003314).

77345630 is a wasteful number, since it uses less digits than its factorization.

77345630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 77345630 is about 8794.6364336452. The cubic root of 77345630 is about 426.0676823112.

The spelling of 77345630 in words is "seventy-seven million, three hundred forty-five thousand, six hundred thirty".