77749352 has 8 divisors (see below), whose sum is σ = 145780050. Its totient is φ = 38874672.

The previous prime is 77749297. The next prime is 77749369. The reversal of 77749352 is 25394777.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 28665316 = 7006^2 + 5354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4859327 + ... + 4859342.

Almost surely, 2^77749352 is an apocalyptic number.

It is an amenable number.

77749352 is a deficient number, since it is larger than the sum of its proper divisors (68030698).

77749352 is a wasteful number, since it uses less digits than its factorization.

77749352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718675 (or 9718671 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The square root of 77749352 is about 8817.5592994887. The cubic root of 77749352 is about 426.8077132421.

The spelling of 77749352 in words is "seventy-seven million, seven hundred forty-nine thousand, three hundred fifty-two".