36645630 has 96 divisors (see below), whose sum is σ = 103765536. Its totient is φ = 8257536.

The previous prime is 36645619. The next prime is 36645641. The reversal of 36645630 is 3654663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36645619) and next prime (36645641).

It is a junction number, because it is equal to n+sod(n) for n = 36645591 and 36645600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142462 + ... + 142718.

It is an arithmetic number, because the mean of its divisors is an integer number (1080891).

Almost surely, 2^36645630 is an apocalyptic number.

36645630 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 36645630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51882768).

36645630 is an abundant number, since it is smaller than the sum of its proper divisors (67119906).

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

36645630 is a wasteful number, since it uses less digits than its factorization.

36645630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 36645630 is about 6053.5634133955. The cubic root of 36645630 is about 332.1549513790.

The spelling of 36645630 in words is "thirty-six million, six hundred forty-five thousand, six hundred thirty".