77423452 has 12 divisors (see below), whose sum is σ = 136807216. Its totient is φ = 38335680.

The previous prime is 77423443. The next prime is 77423453. The reversal of 77423452 is 25432477.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77423453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93549 + ... + 94372.

Almost surely, 2^77423452 is an apocalyptic number.

It is an amenable number.

77423452 is a deficient number, since it is larger than the sum of its proper divisors (59383764).

77423452 is a wasteful number, since it uses less digits than its factorization.

77423452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188028 (or 188026 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 77423452 is about 8799.0597224931. The cubic root of 77423452 is about 426.2105316867.

The spelling of 77423452 in words is "seventy-seven million, four hundred twenty-three thousand, four hundred fifty-two".