73942386 has 16 divisors (see below), whose sum is σ = 169011264. Its totient is φ = 21126384.

The previous prime is 73942381. The next prime is 73942387. The reversal of 73942386 is 68324937.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1760533 = 73942386 / (7 + 3 + 9 + 4 + 2 + 3 + 8 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73942381) 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, 880225 + ... + 880308.

It is an arithmetic number, because the mean of its divisors is an integer number (10563204).

Almost surely, 2^73942386 is an apocalyptic number.

73942386 is an abundant number, since it is smaller than the sum of its proper divisors (95068878).

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

73942386 is a wasteful number, since it uses less digits than its factorization.

73942386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760545.

The product of its digits is 217728, while the sum is 42.

The square root of 73942386 is about 8598.9758692533. The cubic root of 73942386 is about 419.7246608053.

The spelling of 73942386 in words is "seventy-three million, nine hundred forty-two thousand, three hundred eighty-six".