316254742 has 4 divisors (see below), whose sum is σ = 474382116. Its totient is φ = 158127370.

The previous prime is 316254727. The next prime is 316254749. The reversal of 316254742 is 247452613.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×316254742⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316254698 and 316254707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316254749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79063684 + ... + 79063687.

It is an arithmetic number, because the mean of its divisors is an integer number (118595529).

Almost surely, 2^316254742 is an apocalyptic number.

316254742 is a deficient number, since it is larger than the sum of its proper divisors (158127374).

316254742 is a wasteful number, since it uses less digits than its factorization.

316254742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158127373.

The product of its digits is 40320, while the sum is 34.

The square root of 316254742 is about 17783.5525697201. The cubic root of 316254742 is about 681.3114411718.

The spelling of 316254742 in words is "three hundred sixteen million, two hundred fifty-four thousand, seven hundred forty-two".