72204078 has 8 divisors (see below), whose sum is σ = 144408168. Its totient is φ = 24068024.

The previous prime is 72204071. The next prime is 72204103. The reversal of 72204078 is 87040227.

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

72204078 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6017001 + ... + 6017012.

It is an arithmetic number, because the mean of its divisors is an integer number (18051021).

Almost surely, 2^72204078 is an apocalyptic number.

72204078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72204078 is a wasteful number, since it uses less digits than its factorization.

72204078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034018.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 72204078 is about 8497.2982765112. The cubic root of 72204078 is about 416.4094487840.

The spelling of 72204078 in words is "seventy-two million, two hundred four thousand, seventy-eight".