73073740 has 12 divisors (see below), whose sum is σ = 153454896. Its totient is φ = 29229488.

The previous prime is 73073729. The next prime is 73073747. The reversal of 73073740 is 4737037.

It is not an unprimeable number, because it can be changed into a prime (73073747) 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, 1826824 + ... + 1826863.

It is an arithmetic number, because the mean of its divisors is an integer number (12787908).

Almost surely, 2^73073740 is an apocalyptic number.

It is an amenable number.

73073740 is an abundant number, since it is smaller than the sum of its proper divisors (80381156).

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

73073740 is a wasteful number, since it uses less digits than its factorization.

73073740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653696 (or 3653694 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 73073740 is about 8548.3179632019. The cubic root of 73073740 is about 418.0745957847.

The spelling of 73073740 in words is "seventy-three million, seventy-three thousand, seven hundred forty".