73678398 has 16 divisors (see below), whose sum is σ = 147920256. Its totient is φ = 24465560.

The previous prime is 73678379. The next prime is 73678411. The reversal of 73678398 is 89387637.

It is a self number, because there is not a number n which added to its sum of digits gives 73678398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21768 + ... + 24923.

It is an arithmetic number, because the mean of its divisors is an integer number (9245016).

Almost surely, 2^73678398 is an apocalyptic number.

73678398 is an abundant number, since it is smaller than the sum of its proper divisors (74241858).

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

73678398 is a wasteful number, since it uses less digits than its factorization.

73678398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46959.

The product of its digits is 1524096, while the sum is 51.

The square root of 73678398 is about 8583.6121767004. The cubic root of 73678398 is about 419.2245669554.

The spelling of 73678398 in words is "seventy-three million, six hundred seventy-eight thousand, three hundred ninety-eight".