347777742 has 32 divisors (see below), whose sum is σ = 761765760. Its totient is φ = 105193440.

The previous prime is 347777723. The next prime is 347777777. The reversal of 347777742 is 247777743.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 347777691 and 347777700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33184 + ... + 42387.

It is an arithmetic number, because the mean of its divisors is an integer number (23805180).

Almost surely, 2^347777742 is an apocalyptic number.

347777742 is an abundant number, since it is smaller than the sum of its proper divisors (413988018).

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

347777742 is a wasteful number, since it uses less digits than its factorization.

347777742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75648.

The product of its digits is 1613472, while the sum is 48.

The square root of 347777742 is about 18648.8000150144. The cubic root of 347777742 is about 703.2351895180.

Subtracting from 347777742 its reverse (247777743), we obtain a palindrome (99999999).

The spelling of 347777742 in words is "three hundred forty-seven million, seven hundred seventy-seven thousand, seven hundred forty-two".