73770330 has 16 divisors (see below), whose sum is σ = 177048864. Its totient is φ = 19672080.

The previous prime is 73770271. The next prime is 73770337. The reversal of 73770330 is 3307737.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2459011 = 73770330 / (7 + 3 + 7 + 7 + 0 + 3 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (73770337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229476 + ... + 1229535.

It is an arithmetic number, because the mean of its divisors is an integer number (11065554).

Almost surely, 2^73770330 is an apocalyptic number.

73770330 is an abundant number, since it is smaller than the sum of its proper divisors (103278534).

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

73770330 is a wasteful number, since it uses less digits than its factorization.

73770330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459021.

The product of its (nonzero) digits is 9261, while the sum is 30.

The square root of 73770330 is about 8588.9655954603. The cubic root of 73770330 is about 419.3988565508.

The spelling of 73770330 in words is "seventy-three million, seven hundred seventy thousand, three hundred thirty".