73428190 has 32 divisors (see below), whose sum is σ = 150460416. Its totient is φ = 25539360.

The previous prime is 73428169. The next prime is 73428197. The reversal of 73428190 is 9182437.

It is a super-2 number, since 2×73428190² = 10783398173352200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73428197) 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 15 ways as a sum of consecutive naturals, for example, 11982 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (4701888).

Almost surely, 2^73428190 is an apocalyptic number.

73428190 is an abundant number, since it is smaller than the sum of its proper divisors (77032226).

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

73428190 is a wasteful number, since it uses less digits than its factorization.

73428190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29064.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 73428190 is about 8569.0250320559. The cubic root of 73428190 is about 418.7494738242.

The spelling of 73428190 in words is "seventy-three million, four hundred twenty-eight thousand, one hundred ninety".