317053740 has 192 divisors, whose sum is σ = 1000194048. Its totient is φ = 74649600.

The previous prime is 317053739. The next prime is 317053747. The reversal of 317053740 is 47350713.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 317053698 and 317053707.

It is not an unprimeable number, because it can be changed into a prime (317053747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1169805 + ... + 1170075.

It is an arithmetic number, because the mean of its divisors is an integer number (5209344).

Almost surely, 2^317053740 is an apocalyptic number.

317053740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317053740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500097024).

317053740 is an abundant number, since it is smaller than the sum of its proper divisors (683140308).

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

317053740 is a wasteful number, since it uses less digits than its factorization.

317053740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 317053740 is about 17806.0029203637. The cubic root of 317053740 is about 681.8847223625.

The spelling of 317053740 in words is "three hundred seventeen million, fifty-three thousand, seven hundred forty".