732550420 has 96 divisors (see below), whose sum is σ = 1824496128. Its totient is φ = 241823232.

The previous prime is 732550397. The next prime is 732550477. The reversal of 732550420 is 24055237.

732550420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532854 + ... + 534226.

It is an arithmetic number, because the mean of its divisors is an integer number (19005168).

Almost surely, 2^732550420 is an apocalyptic number.

732550420 is a gapful number since it is divisible by the number (70) 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 732550420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912248064).

732550420 is an abundant number, since it is smaller than the sum of its proper divisors (1091945708).

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

732550420 is a wasteful number, since it uses less digits than its factorization.

732550420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 732550420 is about 27065.6686597616. The cubic root of 732550420 is about 901.4587126424.

The spelling of 732550420 in words is "seven hundred thirty-two million, five hundred fifty thousand, four hundred twenty".