77045452 has 12 divisors (see below), whose sum is σ = 147086856. Its totient is φ = 35020640.

The previous prime is 77045417. The next prime is 77045453. The reversal of 77045452 is 25454077.

It is not an unprimeable number, because it can be changed into a prime (77045453) 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, 875473 + ... + 875560.

It is an arithmetic number, because the mean of its divisors is an integer number (12257238).

Almost surely, 2^77045452 is an apocalyptic number.

It is an amenable number.

77045452 is a deficient number, since it is larger than the sum of its proper divisors (70041404).

77045452 is a wasteful number, since it uses less digits than its factorization.

77045452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751048 (or 1751046 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 77045452 is about 8777.5538733750. The cubic root of 77045452 is about 425.5157788739.

The spelling of 77045452 in words is "seventy-seven million, forty-five thousand, four hundred fifty-two".