3631013730 has 160 divisors (see below), whose sum is σ = 10152267840. Its totient is φ = 930061440.

The previous prime is 3631013719. The next prime is 3631013741. The reversal of 3631013730 is 373101363.

It is an interprime number because it is at equal distance from previous prime (3631013719) and next prime (3631013741).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3631013694 and 3631013703.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7774957 + ... + 7775423.

It is an arithmetic number, because the mean of its divisors is an integer number (63451674).

Almost surely, 2^3631013730 is an apocalyptic number.

3631013730 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 3631013730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5076133920).

3631013730 is an abundant number, since it is smaller than the sum of its proper divisors (6521254110).

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

3631013730 is a wasteful number, since it uses less digits than its factorization.

3631013730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 3631013730 is about 60257.8935078219. The cubic root of 3631013730 is about 1537.0074186472.

The spelling of 3631013730 in words is "three billion, six hundred thirty-one million, thirteen thousand, seven hundred thirty".