751473216 has 84 divisors (see below), whose sum is σ = 2319674812. Its totient is φ = 231220224.

The previous prime is 751473211. The next prime is 751473223. The reversal of 751473216 is 612374157.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 146313216 + 605160000 = 12096^2 + 24600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (751473211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42691 + ... + 57666.

Almost surely, 2^751473216 is an apocalyptic number.

It is an amenable number.

751473216 is an abundant number, since it is smaller than the sum of its proper divisors (1568201596).

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

751473216 is a wasteful number, since it uses less digits than its factorization.

751473216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100388 (or 100375 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 751473216 is about 27413.0118009678. The cubic root of 751473216 is about 909.1547986904.

It can be divided in two parts, 751473 and 216, that added together give a square (751689 = 867²).

The spelling of 751473216 in words is "seven hundred fifty-one million, four hundred seventy-three thousand, two hundred sixteen".