73382780 has 24 divisors (see below), whose sum is σ = 154497840. Its totient is φ = 29278080.

The previous prime is 73382779. The next prime is 73382791. The reversal of 73382780 is 8728337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (6437410).

Almost surely, 2^73382780 is an apocalyptic number.

It is an amenable number.

73382780 is an abundant number, since it is smaller than the sum of its proper divisors (81115060).

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

73382780 is a wasteful number, since it uses less digits than its factorization.

73382780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 73382780 is about 8566.3749626082. The cubic root of 73382780 is about 418.6631339828.

The spelling of 73382780 in words is "seventy-three million, three hundred eighty-two thousand, seven hundred eighty".