3145470720 has 432 divisors, whose sum is σ = 11897796960. Its totient is φ = 706019328.

The previous prime is 3145470697. The next prime is 3145470721. The reversal of 3145470720 is 270745413.

It is not an unprimeable number, because it can be changed into a prime (3145470721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13735566 + ... + 13735794.

Almost surely, 2^3145470720 is an apocalyptic number.

3145470720 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 3145470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5948898480).

3145470720 is an abundant number, since it is smaller than the sum of its proper divisors (8752326240).

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

3145470720 is a wasteful number, since it uses less digits than its factorization.

3145470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 3145470720 is about 56084.4962534211. The cubic root of 3145470720 is about 1465.1942836218.

The spelling of 3145470720 in words is "three billion, one hundred forty-five million, four hundred seventy thousand, seven hundred twenty".