750420816 has 80 divisors (see below), whose sum is σ = 2029881984. Its totient is φ = 238436352.

The previous prime is 750420767. The next prime is 750420833. The reversal of 750420816 is 618024057.

It is a super-2 number, since 2×750420816² = 1126262802172211712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371040 + ... + 373056.

Almost surely, 2^750420816 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 750420816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014940992).

750420816 is an abundant number, since it is smaller than the sum of its proper divisors (1279461168).

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

750420816 is a wasteful number, since it uses less digits than its factorization.

750420816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 750420816 is about 27393.8098117075. The cubic root of 750420816 is about 908.7301920711.

The spelling of 750420816 in words is "seven hundred fifty million, four hundred twenty thousand, eight hundred sixteen".