6973902450 has 144 divisors (see below), whose sum is σ = 20080696896. Its totient is φ = 1730678400.

The previous prime is 6973902449. The next prime is 6973902457. The reversal of 6973902450 is 542093796.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6973902396 and 6973902405.

It is not an unprimeable number, because it can be changed into a prime (6973902457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 373845 + ... + 392055.

It is an arithmetic number, because the mean of its divisors is an integer number (139449284).

Almost surely, 2^6973902450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6973902450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10040348448).

6973902450 is an abundant number, since it is smaller than the sum of its proper divisors (13106794446).

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

6973902450 is a wasteful number, since it uses less digits than its factorization.

6973902450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289 (or 18281 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6973902450 is about 83509.8943239662. The cubic root of 6973902450 is about 1910.5509452907.

The spelling of 6973902450 in words is "six billion, nine hundred seventy-three million, nine hundred two thousand, four hundred fifty".