73572280 has 32 divisors (see below), whose sum is σ = 170015040. Its totient is φ = 28632960.

The previous prime is 73572227. The next prime is 73572287. The reversal of 73572280 is 8227537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73572287) 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, 23376 + ... + 26335.

It is an arithmetic number, because the mean of its divisors is an integer number (5312970).

Almost surely, 2^73572280 is an apocalyptic number.

It is an amenable number.

73572280 is an abundant number, since it is smaller than the sum of its proper divisors (96442760).

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

73572280 is a wasteful number, since it uses less digits than its factorization.

73572280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49759 (or 49755 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 73572280 is about 8577.4285190843. The cubic root of 73572280 is about 419.0232024259.

The spelling of 73572280 in words is "seventy-three million, five hundred seventy-two thousand, two hundred eighty".