751481472 has 128 divisors (see below), whose sum is σ = 2292111360. Its totient is φ = 213691392.

The previous prime is 751481453. The next prime is 751481473. The reversal of 751481472 is 274184157.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 751481472.

It is not an unprimeable number, because it can be changed into a prime (751481473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706413 + ... + 707475.

It is an arithmetic number, because the mean of its divisors is an integer number (17907120).

Almost surely, 2^751481472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 751481472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146055680).

751481472 is an abundant number, since it is smaller than the sum of its proper divisors (1540629888).

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

751481472 is a wasteful number, since it uses less digits than its factorization.

751481472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1338 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 751481472 is about 27413.1623859780. The cubic root of 751481472 is about 909.1581281302.

The spelling of 751481472 in words is "seven hundred fifty-one million, four hundred eighty-one thousand, four hundred seventy-two".