7145507072 has 36 divisors (see below), whose sum is σ = 15559753776. Its totient is φ = 3247956480.

The previous prime is 7145507071. The next prime is 7145507093. The reversal of 7145507072 is 2707055417.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7145507071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265918 + ... + 1271549.

Almost surely, 2^7145507072 is an apocalyptic number.

It is an amenable number.

7145507072 is an abundant number, since it is smaller than the sum of its proper divisors (8414246704).

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

7145507072 is a wasteful number, since it uses less digits than its factorization.

7145507072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537494 (or 2537480 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 7145507072 is about 84531.1012113293. The cubic root of 7145507072 is about 1926.0949140298.

The spelling of 7145507072 in words is "seven billion, one hundred forty-five million, five hundred seven thousand, seventy-two".