733145472 has 128 divisors (see below), whose sum is σ = 2173987200. Its totient is φ = 243233280.

The previous prime is 733145467. The next prime is 733145507. The reversal of 733145472 is 274541337.

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

It is a super-2 number, since 2×733145472² = 1075004566228205568, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060647 + ... + 1061337.

It is an arithmetic number, because the mean of its divisors is an integer number (16984275).

Almost surely, 2^733145472 is an apocalyptic number.

733145472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733145472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086993600).

733145472 is an abundant number, since it is smaller than the sum of its proper divisors (1440841728).

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

733145472 is a wasteful number, since it uses less digits than its factorization.

733145472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1003 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 733145472 is about 27076.6591735391. The cubic root of 733145472 is about 901.7027320834.

The spelling of 733145472 in words is "seven hundred thirty-three million, one hundred forty-five thousand, four hundred seventy-two".