731224052 has 24 divisors (see below), whose sum is σ = 1401439200. Its totient is φ = 331766496.

The previous prime is 731224051. The next prime is 731224061. The reversal of 731224052 is 250422137.

It is a super-2 number, since 2×731224052² = 1069377228446597408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731224051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116102 + ... + 122237.

It is an arithmetic number, because the mean of its divisors is an integer number (58393300).

Almost surely, 2^731224052 is an apocalyptic number.

It is an amenable number.

731224052 is a deficient number, since it is larger than the sum of its proper divisors (670215148).

731224052 is a wasteful number, since it uses less digits than its factorization.

731224052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238415 (or 238413 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 731224052 is about 27041.1547830340. The cubic root of 731224052 is about 900.9143185572.

Adding to 731224052 its reverse (250422137), we get a palindrome (981646189).

The spelling of 731224052 in words is "seven hundred thirty-one million, two hundred twenty-four thousand, fifty-two".