7245172636 has 36 divisors (see below), whose sum is σ = 13851032832. Its totient is φ = 3314298624.

The previous prime is 7245172619. The next prime is 7245172651. The reversal of 7245172636 is 6362715427.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7245172592 and 7245172601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28965 + ... + 123811.

It is an arithmetic number, because the mean of its divisors is an integer number (384750912).

Almost surely, 2^7245172636 is an apocalyptic number.

It is an amenable number.

7245172636 is a deficient number, since it is larger than the sum of its proper divisors (6605860196).

7245172636 is a wasteful number, since it uses less digits than its factorization.

7245172636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94990 (or 94975 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 7245172636 is about 85118.5798518749. The cubic root of 7245172636 is about 1935.0086587180.

The spelling of 7245172636 in words is "seven billion, two hundred forty-five million, one hundred seventy-two thousand, six hundred thirty-six".