647797342 has 16 divisors (see below), whose sum is σ = 1035024480. Its totient is φ = 303017728.

The previous prime is 647797327. The next prime is 647797349. The reversal of 647797342 is 243797746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647797349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51367 + ... + 62722.

It is an arithmetic number, because the mean of its divisors is an integer number (64689030).

Almost surely, 2^647797342 is an apocalyptic number.

647797342 is a deficient number, since it is larger than the sum of its proper divisors (387227138).

647797342 is a wasteful number, since it uses less digits than its factorization.

647797342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114275.

The product of its digits is 1778112, while the sum is 49.

The square root of 647797342 is about 25451.8632323844. The cubic root of 647797342 is about 865.2595218484.

The spelling of 647797342 in words is "six hundred forty-seven million, seven hundred ninety-seven thousand, three hundred forty-two".