42789452 has 6 divisors (see below), whose sum is σ = 74881548. Its totient is φ = 21394724.

The previous prime is 42789443. The next prime is 42789469. The reversal of 42789452 is 25498724.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5348678 + ... + 5348685.

It is an arithmetic number, because the mean of its divisors is an integer number (12480258).

Almost surely, 2^42789452 is an apocalyptic number.

It is an amenable number.

42789452 is a deficient number, since it is larger than the sum of its proper divisors (32092096).

42789452 is a wasteful number, since it uses less digits than its factorization.

42789452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697367 (or 10697365 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 42789452 is about 6541.3646894207. The cubic root of 42789452 is about 349.7670613311.

The spelling of 42789452 in words is "forty-two million, seven hundred eighty-nine thousand, four hundred fifty-two".