73296720 has 120 divisors (see below), whose sum is σ = 281339136. Its totient is φ = 16752384.

The previous prime is 73296709. The next prime is 73296731. The reversal of 73296720 is 2769237.

It is an interprime number because it is at equal distance from previous prime (73296709) and next prime (73296731).

It is a tau number, because it is divible by the number of its divisors (120).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2232 + ... + 12311.

Almost surely, 2^73296720 is an apocalyptic number.

73296720 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 73296720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140669568).

73296720 is an abundant number, since it is smaller than the sum of its proper divisors (208042416).

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

73296720 is a wasteful number, since it uses less digits than its factorization.

73296720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569 (or 14560 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 73296720 is about 8561.3503607784. The cubic root of 73296720 is about 418.4994069098.

The spelling of 73296720 in words is "seventy-three million, two hundred ninety-six thousand, seven hundred twenty".