751131828 has 18 divisors (see below), whose sum is σ = 1898694434. Its totient is φ = 250377264.

The previous prime is 751131811. The next prime is 751131839. The reversal of 751131828 is 828131157.

751131828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 592825104 + 158306724 = 24348^2 + 12582^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20864773 = 751131828 / (7 + 5 + 1 + 1 + 3 + 1 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 751131792 and 751131801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10432351 + ... + 10432422.

Almost surely, 2^751131828 is an apocalyptic number.

It is an amenable number.

751131828 is an abundant number, since it is smaller than the sum of its proper divisors (1147562606).

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

751131828 is a wasteful number, since it uses less digits than its factorization.

751131828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20864783 (or 20864778 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 751131828 is about 27406.7843425674. The cubic root of 751131828 is about 909.0171040289.

The spelling of 751131828 in words is "seven hundred fifty-one million, one hundred thirty-one thousand, eight hundred twenty-eight".