7273503216 has 480 divisors, whose sum is σ = 25686355968. Its totient is φ = 1948354560.

The previous prime is 7273503163. The next prime is 7273503269. The reversal of 7273503216 is 6123053727.

7273503216 is a `hidden beast` number, since 72 + 73 + 503 + 2 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (7273503163) and next prime (7273503269).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31216636 + ... + 31216868.

Almost surely, 2^7273503216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7273503216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12843177984).

7273503216 is an abundant number, since it is smaller than the sum of its proper divisors (18412852752).

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

7273503216 is a wasteful number, since it uses less digits than its factorization.

7273503216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 7273503216 is about 85284.8357915990. The cubic root of 7273503216 is about 1937.5275137598.

The spelling of 7273503216 in words is "seven billion, two hundred seventy-three million, five hundred three thousand, two hundred sixteen".