7300000073 has 8 divisors (see below), whose sum is σ = 7835295528. Its totient is φ = 6776469504.

The previous prime is 7300000067. The next prime is 7300000079. The reversal of 7300000073 is 3700000037.

It is an interprime number because it is at equal distance from previous prime (7300000067) and next prime (7300000079).

It can be written as a sum of positive squares in 4 ways, for example, as 3189651529 + 4110348544 = 56477^2 + 64112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7300000073 - 2¹² = 7299995977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7300000079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2939936 + ... + 2942417.

It is an arithmetic number, because the mean of its divisors is an integer number (979411941).

Almost surely, 2^7300000073 is an apocalyptic number.

7300000073 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7300000073 is a deficient number, since it is larger than the sum of its proper divisors (535295455).

7300000073 is a wasteful number, since it uses less digits than its factorization.

7300000073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882443.

The product of its (nonzero) digits is 441, while the sum is 20.

The square root of 7300000073 is about 85440.0378803755. The cubic root of 7300000073 is about 1939.8774210466.

It can be divided in two parts, 73000000 and 73, that multiplied together give a square (5329000000 = 73000²).

The spelling of 7300000073 in words is "seven billion, three hundred million, seventy-three", and thus it is an aban number.