73478090 has 16 divisors (see below), whose sum is σ = 151155072. Its totient is φ = 25192464.

The previous prime is 73478089. The next prime is 73478101. The reversal of 73478090 is 9087437.

It is a Curzon number.

It is an unprimeable number.

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, 524774 + ... + 524913.

It is an arithmetic number, because the mean of its divisors is an integer number (9447192).

Almost surely, 2^73478090 is an apocalyptic number.

73478090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73478090 is an abundant number, since it is smaller than the sum of its proper divisors (77676982).

73478090 is a wasteful number, since it uses less digits than its factorization.

73478090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049701.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 73478090 is about 8571.9361873500. The cubic root of 73478090 is about 418.8443096412.

The spelling of 73478090 in words is "seventy-three million, four hundred seventy-eight thousand, ninety".