7245450 has 60 divisors (see below), whose sum is σ = 20142870. Its totient is φ = 1931040.

The previous prime is 7245439. The next prime is 7245461. The reversal of 7245450 is 545427.

It is an interprime number because it is at equal distance from previous prime (7245439) and next prime (7245461).

It can be written as a sum of positive squares in 3 ways, for example, as 6765201 + 480249 = 2601^2 + 693^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3156 + ... + 4944.

Almost surely, 2^7245450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7245450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10071435).

7245450 is an abundant number, since it is smaller than the sum of its proper divisors (12897420).

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

7245450 is a wasteful number, since it uses less digits than its factorization.

7245450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 7245450 is about 2691.7373571729. The cubic root of 7245450 is about 193.5033350786.

The spelling of 7245450 in words is "seven million, two hundred forty-five thousand, four hundred fifty".