77452316 has 12 divisors (see below), whose sum is σ = 141434832. Its totient is φ = 37042368.

The previous prime is 77452307. The next prime is 77452327. The reversal of 77452316 is 61325477.

It is a super-2 number, since 2×77452316² = 11997722507527712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420845 + ... + 421028.

It is an arithmetic number, because the mean of its divisors is an integer number (11786236).

Almost surely, 2^77452316 is an apocalyptic number.

It is an amenable number.

77452316 is a deficient number, since it is larger than the sum of its proper divisors (63982516).

77452316 is a wasteful number, since it uses less digits than its factorization.

77452316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841900 (or 841898 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 77452316 is about 8800.6997449067. The cubic root of 77452316 is about 426.2634898538.

The spelling of 77452316 in words is "seventy-seven million, four hundred fifty-two thousand, three hundred sixteen".