351608742 has 16 divisors (see below), whose sum is σ = 781352880. Its totient is φ = 117202896.

The previous prime is 351608729. The next prime is 351608749. The reversal of 351608742 is 247806153.

351608742 is a `hidden beast` number, since 3 + 5 + 1 + 608 + 7 + 42 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 351608697 and 351608706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351608749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3255583 + ... + 3255690.

It is an arithmetic number, because the mean of its divisors is an integer number (48834555).

Almost surely, 2^351608742 is an apocalyptic number.

351608742 is an abundant number, since it is smaller than the sum of its proper divisors (429744138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351608742 is a wasteful number, since it uses less digits than its factorization.

351608742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511284 (or 6511278 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 351608742 is about 18751.2330794537. The cubic root of 351608742 is about 705.8079645801.

The spelling of 351608742 in words is "three hundred fifty-one million, six hundred eight thousand, seven hundred forty-two".