7452645400 has 48 divisors (see below), whose sum is σ = 17360775000. Its totient is φ = 2975316480.

The previous prime is 7452645397. The next prime is 7452645401. The reversal of 7452645400 is 45462547.

It is a self number, because there is not a number n which added to its sum of digits gives 7452645400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7452645401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68976 + ... + 140224.

Almost surely, 2^7452645400 is an apocalyptic number.

It is an amenable number.

7452645400 is an abundant number, since it is smaller than the sum of its proper divisors (9908129600).

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

7452645400 is a wasteful number, since it uses less digits than its factorization.

7452645400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71788 (or 71779 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 7452645400 is about 86328.7055387720. The cubic root of 7452645400 is about 1953.3054085812.

The spelling of 7452645400 in words is "seven billion, four hundred fifty-two million, six hundred forty-five thousand, four hundred".