77247234 has 24 divisors (see below), whose sum is σ = 167536512. Its totient is φ = 25723320.

The previous prime is 77247229. The next prime is 77247241. The reversal of 77247234 is 43274277.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 27139 + ... + 29849.

It is an arithmetic number, because the mean of its divisors is an integer number (6980688).

Almost surely, 2^77247234 is an apocalyptic number.

77247234 is an abundant number, since it is smaller than the sum of its proper divisors (90289278).

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

77247234 is a wasteful number, since it uses less digits than its factorization.

77247234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302 (or 4299 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 77247234 is about 8789.0405619726. The cubic root of 77247234 is about 425.8869302507.

The spelling of 77247234 in words is "seventy-seven million, two hundred forty-seven thousand, two hundred thirty-four".