74722086 has 24 divisors (see below), whose sum is σ = 163720440. Its totient is φ = 24626976.

The previous prime is 74722061. The next prime is 74722093. The reversal of 74722086 is 68022747.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74722086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21720 + ... + 24923.

It is an arithmetic number, because the mean of its divisors is an integer number (6821685).

Almost surely, 2^74722086 is an apocalyptic number.

74722086 is an abundant number, since it is smaller than the sum of its proper divisors (88998354).

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

74722086 is a wasteful number, since it uses less digits than its factorization.

74722086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46740 (or 46737 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74722086 is about 8644.1937738577. The cubic root of 74722086 is about 421.1947951619.

The spelling of 74722086 in words is "seventy-four million, seven hundred twenty-two thousand, eighty-six".