7489742700 has 432 divisors, whose sum is σ = 25808660640. Its totient is φ = 1669324800.

The previous prime is 7489742657. The next prime is 7489742707. The reversal of 7489742700 is 72479847.

It is a self number, because there is not a number n which added to its sum of digits gives 7489742700.

It is not an unprimeable number, because it can be changed into a prime (7489742707) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32706186 + ... + 32706414.

It is an arithmetic number, because the mean of its divisors is an integer number (59742270).

Almost surely, 2^7489742700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7489742700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12904330320).

7489742700 is an abundant number, since it is smaller than the sum of its proper divisors (18318917940).

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

7489742700 is a wasteful number, since it uses less digits than its factorization.

7489742700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 7489742700 is about 86543.2995673264. The cubic root of 7489742700 is about 1956.5410585382.

The spelling of 7489742700 in words is "seven billion, four hundred eighty-nine million, seven hundred forty-two thousand, seven hundred".