4629645720 has 448 divisors, whose sum is σ = 18361350720. Its totient is φ = 1027924992.

The previous prime is 4629645707. The next prime is 4629645721. The reversal of 4629645720 is 275469264.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629645721) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 7552134 + ... + 7552746.

Almost surely, 2^4629645720 is an apocalyptic number.

4629645720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4629645720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9180675360).

4629645720 is an abundant number, since it is smaller than the sum of its proper divisors (13731705000).

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

4629645720 is a wasteful number, since it uses less digits than its factorization.

4629645720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 4629645720 is about 68041.4999834660. The cubic root of 4629645720 is about 1666.6685975089.

The spelling of 4629645720 in words is "four billion, six hundred twenty-nine million, six hundred forty-five thousand, seven hundred twenty".