612546742 has 8 divisors (see below), whose sum is σ = 919073736. Its totient is φ = 306188832.

The previous prime is 612546713. The next prime is 612546769. The reversal of 612546742 is 247645216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×612546742² = 750427022269629128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32788 + ... + 47959.

It is an arithmetic number, because the mean of its divisors is an integer number (114884217).

Almost surely, 2^612546742 is an apocalyptic number.

612546742 is a deficient number, since it is larger than the sum of its proper divisors (306526994).

612546742 is a wasteful number, since it uses less digits than its factorization.

612546742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84542.

The product of its digits is 80640, while the sum is 37.

The square root of 612546742 is about 24749.6816545183. The cubic root of 612546742 is about 849.2712286332.

The spelling of 612546742 in words is "six hundred twelve million, five hundred forty-six thousand, seven hundred forty-two".