73687870 has 8 divisors (see below), whose sum is σ = 132638184. Its totient is φ = 29475144.

The previous prime is 73687841. The next prime is 73687903. The reversal of 73687870 is 7878637.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73687870.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 3684384 + ... + 3684403.

It is an arithmetic number, because the mean of its divisors is an integer number (16579773).

Almost surely, 2^73687870 is an apocalyptic number.

73687870 is a deficient number, since it is larger than the sum of its proper divisors (58950314).

73687870 is a wasteful number, since it uses less digits than its factorization.

73687870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368794.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 73687870 is about 8584.1639080344. The cubic root of 73687870 is about 419.2425311758.

The spelling of 73687870 in words is "seventy-three million, six hundred eighty-seven thousand, eight hundred seventy".