612057447 has 6 divisors (see below), whose sum is σ = 884082992. Its totient is φ = 408038292.

The previous prime is 612057437. The next prime is 612057517. The reversal of 612057447 is 744750216.

612057447 is a `hidden beast` number, since 6 + 1 + 205 + 7 + 447 = 666.

612057447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612057447 - 2¹⁹ = 611533159 is a prime.

It is a super-2 number, since 2×612057447² = 749228636856315618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612057437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34003183 + ... + 34003200.

Almost surely, 2^612057447 is an apocalyptic number.

612057447 is a deficient number, since it is larger than the sum of its proper divisors (272025545).

612057447 is a wasteful number, since it uses less digits than its factorization.

612057447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68006389 (or 68006386 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 612057447 is about 24739.7948051313. The cubic root of 612057447 is about 849.0450391686.

The spelling of 612057447 in words is "six hundred twelve million, fifty-seven thousand, four hundred forty-seven".