733561420 has 12 divisors (see below), whose sum is σ = 1540479024. Its totient is φ = 293424560.

The previous prime is 733561397. The next prime is 733561427. The reversal of 733561420 is 24165337.

It is a super-2 number, since 2×733561420² = 1076224713824832800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (733561427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18339016 + ... + 18339055.

It is an arithmetic number, because the mean of its divisors is an integer number (128373252).

Almost surely, 2^733561420 is an apocalyptic number.

It is an amenable number.

733561420 is an abundant number, since it is smaller than the sum of its proper divisors (806917604).

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

733561420 is a wasteful number, since it uses less digits than its factorization.

733561420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36678080 (or 36678078 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 733561420 is about 27084.3390172254. The cubic root of 733561420 is about 901.8732260052.

The spelling of 733561420 in words is "seven hundred thirty-three million, five hundred sixty-one thousand, four hundred twenty".