73520770 has 16 divisors (see below), whose sum is σ = 133576128. Its totient is φ = 29133040.

The previous prime is 73520729. The next prime is 73520779. The reversal of 73520770 is 7702537.

It is not an unprimeable number, because it can be changed into a prime (73520779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33286 + ... + 35425.

It is an arithmetic number, because the mean of its divisors is an integer number (8348508).

Almost surely, 2^73520770 is an apocalyptic number.

73520770 is a deficient number, since it is larger than the sum of its proper divisors (60055358).

73520770 is a wasteful number, since it uses less digits than its factorization.

73520770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68825.

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 73520770 is about 8574.4253451762. The cubic root of 73520770 is about 418.9253896615.

The spelling of 73520770 in words is "seventy-three million, five hundred twenty thousand, seven hundred seventy".