7245000 has 240 divisors, whose sum is σ = 29240640. Its totient is φ = 1584000.

The previous prime is 7244999. The next prime is 7245001. The reversal of 7245000 is 5427.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7244999) and next prime (7245001).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7245001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 314989 + ... + 315011.

It is an arithmetic number, because the mean of its divisors is an integer number (121836).

Almost surely, 2^7245000 is an apocalyptic number.

7245000 is a gapful number since it is divisible by the number (70) 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 7245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14620320).

7245000 is an abundant number, since it is smaller than the sum of its proper divisors (21995640).

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

7245000 is a wasteful number, since it uses less digits than its factorization.

7245000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7245000 is about 2691.6537667390. The cubic root of 7245000 is about 193.4993289643.

It can be divided in two parts, 72 and 45000, that multiplied together give a square (3240000 = 1800²).

The spelling of 7245000 in words is "seven million, two hundred forty-five thousand".