649300742 has 8 divisors (see below), whose sum is σ = 977468016. Its totient is φ = 323478072.

The previous prime is 649300739. The next prime is 649300747. The reversal of 649300742 is 247003946.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649300747) 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, 585458 + ... + 586565.

It is an arithmetic number, because the mean of its divisors is an integer number (122183502).

Almost surely, 2^649300742 is an apocalyptic number.

649300742 is a deficient number, since it is larger than the sum of its proper divisors (328167274).

649300742 is a wasteful number, since it uses less digits than its factorization.

649300742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172302.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 649300742 is about 25481.3803001329. The cubic root of 649300742 is about 865.9283658725.

The spelling of 649300742 in words is "six hundred forty-nine million, three hundred thousand, seven hundred forty-two".