36693690 has 64 divisors (see below), whose sum is σ = 96671232. Its totient is φ = 8840000.

The previous prime is 36693673. The next prime is 36693691. The reversal of 36693690 is 9639663.

It is a super-2 number, since 2×36693690² = 2692853771632200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36693691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82609 + ... + 83051.

It is an arithmetic number, because the mean of its divisors is an integer number (1510488).

Almost surely, 2^36693690 is an apocalyptic number.

36693690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36693690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48335616).

36693690 is an abundant number, since it is smaller than the sum of its proper divisors (59977542).

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

36693690 is a wasteful number, since it uses less digits than its factorization.

36693690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 36693690 is about 6057.5316755259. The cubic root of 36693690 is about 332.3000927733.

The spelling of 36693690 in words is "thirty-six million, six hundred ninety-three thousand, six hundred ninety".