73020370 has 8 divisors (see below), whose sum is σ = 131436684. Its totient is φ = 29208144.

The previous prime is 73020361. The next prime is 73020371. The reversal of 73020370 is 7302037.

It can be written as a sum of positive squares in 2 ways, for example, as 71216721 + 1803649 = 8439^2 + 1343^2 .

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

It is not an unprimeable number, because it can be changed into a prime (73020371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3651009 + ... + 3651028.

Almost surely, 2^73020370 is an apocalyptic number.

73020370 is a deficient number, since it is larger than the sum of its proper divisors (58416314).

73020370 is a wasteful number, since it uses less digits than its factorization.

73020370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302044.

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 73020370 is about 8545.1957262546. The cubic root of 73020370 is about 417.9727896026.

The spelling of 73020370 in words is "seventy-three million, twenty thousand, three hundred seventy".