751730130 has 48 divisors (see below), whose sum is σ = 1966984344. Its totient is φ = 199180800.

The previous prime is 751730107. The next prime is 751730131. The reversal of 751730130 is 31037157.

It can be written as a sum of positive squares in 4 ways, for example, as 627652809 + 124077321 = 25053^2 + 11139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 751730094 and 751730103.

It is not an unprimeable number, because it can be changed into a prime (751730131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12471 + ... + 40730.

Almost surely, 2^751730130 is an apocalyptic number.

751730130 is an abundant number, since it is smaller than the sum of its proper divisors (1215254214).

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

751730130 is a wasteful number, since it uses less digits than its factorization.

751730130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53371 (or 53368 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 751730130 is about 27417.6973869069. The cubic root of 751730130 is about 909.2583943023.

Adding to 751730130 its reverse (31037157), we get a palindrome (782767287).

The spelling of 751730130 in words is "seven hundred fifty-one million, seven hundred thirty thousand, one hundred thirty".