73730455 has 8 divisors (see below), whose sum is σ = 90868032. Its totient is φ = 57390048.

The previous prime is 73730453. The next prime is 73730519. The reversal of 73730455 is 55403737.

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 73730455 - 2¹ = 73730453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73730455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73730453) 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, 199087 + ... + 199456.

It is an arithmetic number, because the mean of its divisors is an integer number (11358504).

Almost surely, 2^73730455 is an apocalyptic number.

73730455 is a deficient number, since it is larger than the sum of its proper divisors (17137577).

73730455 is a wasteful number, since it uses less digits than its factorization.

73730455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398585.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 73730455 is about 8586.6439893593. The cubic root of 73730455 is about 419.3232771885.

The spelling of 73730455 in words is "seventy-three million, seven hundred thirty thousand, four hundred fifty-five".