747722016 has 240 divisors, whose sum is σ = 2371057920. Its totient is φ = 230307840.

The previous prime is 747721987. The next prime is 747722149. The reversal of 747722016 is 610227747.

It is a happy number.

It is a super-2 number, since 2×747722016² = 1118176426422208512, which contains 22 as substring.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 3128425 + ... + 3128663.

It is an arithmetic number, because the mean of its divisors is an integer number (9879408).

Almost surely, 2^747722016 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 747722016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185528960).

747722016 is an abundant number, since it is smaller than the sum of its proper divisors (1623335904).

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

747722016 is a wasteful number, since it uses less digits than its factorization.

747722016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 747722016 is about 27344.5061392595. The cubic root of 747722016 is about 907.6395031768.

The spelling of 747722016 in words is "seven hundred forty-seven million, seven hundred twenty-two thousand, sixteen".