761220450 has 96 divisors (see below), whose sum is σ = 2137363200. Its totient is φ = 199143360.

The previous prime is 761220437. The next prime is 761220451. The reversal of 761220450 is 54022167.

761220450 is a `hidden beast` number, since 7 + 612 + 2 + 0 + 45 + 0 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761220451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66231 + ... + 76869.

It is an arithmetic number, because the mean of its divisors is an integer number (22264200).

Almost surely, 2^761220450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761220450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068681600).

761220450 is an abundant number, since it is smaller than the sum of its proper divisors (1376142750).

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

761220450 is a wasteful number, since it uses less digits than its factorization.

761220450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713 (or 10702 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 761220450 is about 27590.2238120679. The cubic root of 761220450 is about 913.0687565761.

The spelling of 761220450 in words is "seven hundred sixty-one million, two hundred twenty thousand, four hundred fifty".