73399970 has 16 divisors (see below), whose sum is σ = 150994368. Its totient is φ = 25165680.

The previous prime is 73399919. The next prime is 73399973. The reversal of 73399970 is 7999337.

It is not an unprimeable number, because it can be changed into a prime (73399973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524216 + ... + 524355.

It is an arithmetic number, because the mean of its divisors is an integer number (9437148).

Almost surely, 2^73399970 is an apocalyptic number.

73399970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73399970 is an abundant number, since it is smaller than the sum of its proper divisors (77594398).

73399970 is a wasteful number, since it uses less digits than its factorization.

73399970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048585.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 73399970 is about 8567.3782454144. The cubic root of 73399970 is about 418.6958222029.

The spelling of 73399970 in words is "seventy-three million, three hundred ninety-nine thousand, nine hundred seventy".