73073072 has 30 divisors (see below), whose sum is σ = 150406668. Its totient is φ = 34385152.

The previous prime is 73073071. The next prime is 73073083. The reversal of 73073072 is 27037037.

It is not an unprimeable number, because it can be changed into a prime (73073071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3278 + ... + 12525.

Almost surely, 2^73073072 is an apocalyptic number.

It is an amenable number.

73073072 is an abundant number, since it is smaller than the sum of its proper divisors (77333596).

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

73073072 is a wasteful number, since it uses less digits than its factorization.

73073072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845 (or 15822 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 29.

The square root of 73073072 is about 8548.2788910985. The cubic root of 73073072 is about 418.0733218447.

The spelling of 73073072 in words is "seventy-three million, seventy-three thousand, seventy-two".