36991722 has 16 divisors (see below), whose sum is σ = 74056320. Its totient is φ = 12318432.

The previous prime is 36991673. The next prime is 36991753. The reversal of 36991722 is 22719963.

36991722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5343 + ... + 10125.

It is an arithmetic number, because the mean of its divisors is an integer number (4628520).

Almost surely, 2^36991722 is an apocalyptic number.

36991722 is an abundant number, since it is smaller than the sum of its proper divisors (37064598).

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

36991722 is a wasteful number, since it uses less digits than its factorization.

36991722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077.

The product of its digits is 40824, while the sum is 39.

The square root of 36991722 is about 6082.0820448264. The cubic root of 36991722 is about 333.1973327413.

The spelling of 36991722 in words is "thirty-six million, nine hundred ninety-one thousand, seven hundred twenty-two".