649073342 has 8 divisors (see below), whose sum is σ = 982709496. Its totient is φ = 321503512.

The previous prime is 649073323. The next prime is 649073357. The reversal of 649073342 is 243370946.

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

It is a junction number, because it is equal to n+sod(n) for n = 649073296 and 649073305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516313 + ... + 1516740.

It is an arithmetic number, because the mean of its divisors is an integer number (122838687).

Almost surely, 2^649073342 is an apocalyptic number.

649073342 is a deficient number, since it is larger than the sum of its proper divisors (333636154).

649073342 is a wasteful number, since it uses less digits than its factorization.

649073342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033162.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 649073342 is about 25476.9178277122. The cubic root of 649073342 is about 865.8272647495.

The spelling of 649073342 in words is "six hundred forty-nine million, seventy-three thousand, three hundred forty-two".