73020351 has 8 divisors (see below), whose sum is σ = 99991984. Its totient is φ = 47364480.

The previous prime is 73020323. The next prime is 73020361. The reversal of 73020351 is 15302037.

It is a happy number.

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

It is not a de Polignac number, because 73020351 - 2⁹ = 73019839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73020361) 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, 328810 + ... + 329031.

It is an arithmetic number, because the mean of its divisors is an integer number (12498998).

Almost surely, 2^73020351 is an apocalyptic number.

73020351 is a deficient number, since it is larger than the sum of its proper divisors (26971633).

73020351 is a wasteful number, since it uses less digits than its factorization.

73020351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657881.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 73020351 is about 8545.1946145187. The cubic root of 73020351 is about 417.9727533502.

Adding to 73020351 its reverse (15302037), we get a palindrome (88322388).

The spelling of 73020351 in words is "seventy-three million, twenty thousand, three hundred fifty-one".