73678550 has 48 divisors (see below), whose sum is σ = 150994800. Its totient is φ = 26524800.

The previous prime is 73678547. The next prime is 73678567. The reversal of 73678550 is 5587637.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73678498 and 73678507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59336 + ... + 60564.

It is an arithmetic number, because the mean of its divisors is an integer number (3145725).

Almost surely, 2^73678550 is an apocalyptic number.

73678550 is an abundant number, since it is smaller than the sum of its proper divisors (77316250).

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

73678550 is a wasteful number, since it uses less digits than its factorization.

73678550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 73678550 is about 8583.6210307772. The cubic root of 73678550 is about 419.2248552447.

The spelling of 73678550 in words is "seventy-three million, six hundred seventy-eight thousand, five hundred fifty".