77423032 has 32 divisors (see below), whose sum is σ = 154131120. Its totient is φ = 36334080.

The previous prime is 77423029. The next prime is 77423039. The reversal of 77423032 is 23032477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77423039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 77158 + ... + 78154.

Almost surely, 2^77423032 is an apocalyptic number.

It is an amenable number.

77423032 is a deficient number, since it is larger than the sum of its proper divisors (76708088).

77423032 is a wasteful number, since it uses less digits than its factorization.

77423032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 77423032 is about 8799.0358562743. The cubic root of 77423032 is about 426.2097609954.

The spelling of 77423032 in words is "seventy-seven million, four hundred twenty-three thousand, thirty-two".