73687842 has 24 divisors (see below), whose sum is σ = 159822000. Its totient is φ = 24537240.

The previous prime is 73687841. The next prime is 73687903. The reversal of 73687842 is 24878637.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73687841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25617 + ... + 28347.

It is an arithmetic number, because the mean of its divisors is an integer number (6659250).

Almost surely, 2^73687842 is an apocalyptic number.

73687842 is an abundant number, since it is smaller than the sum of its proper divisors (86134158).

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

73687842 is a wasteful number, since it uses less digits than its factorization.

73687842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238 (or 4235 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 73687842 is about 8584.1622771241. The cubic root of 73687842 is about 419.2424780744.

It can be divided in two parts, 73687 and 842, that added together give a square (74529 = 273²).

The spelling of 73687842 in words is "seventy-three million, six hundred eighty-seven thousand, eight hundred forty-two".