73630398 has 16 divisors (see below), whose sum is σ = 148003200. Its totient is φ = 24419736.

The previous prime is 73630373. The next prime is 73630421. The reversal of 73630398 is 89303637.

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 7 ways as a sum of consecutive naturals, for example, 29640 + ... + 32027.

It is an arithmetic number, because the mean of its divisors is an integer number (9250200).

Almost surely, 2^73630398 is an apocalyptic number.

73630398 is an abundant number, since it is smaller than the sum of its proper divisors (74372802).

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

73630398 is a wasteful number, since it uses less digits than its factorization.

73630398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61871.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 73630398 is about 8580.8156954919. The cubic root of 73630398 is about 419.1335083765.

The spelling of 73630398 in words is "seventy-three million, six hundred thirty thousand, three hundred ninety-eight".