745621052 has 24 divisors (see below), whose sum is σ = 1469379072. Its totient is φ = 327985200.

The previous prime is 745621049. The next prime is 745621057. The reversal of 745621052 is 250126547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745621057) 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, 271958 + ... + 274685.

It is an arithmetic number, because the mean of its divisors is an integer number (61224128).

Almost surely, 2^745621052 is an apocalyptic number.

It is an amenable number.

745621052 is a deficient number, since it is larger than the sum of its proper divisors (723758020).

745621052 is a wasteful number, since it uses less digits than its factorization.

745621052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546689 (or 546687 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 745621052 is about 27306.0625502836. The cubic root of 745621052 is about 906.7886046229.

Adding to 745621052 its reverse (250126547), we get a palindrome (995747599).

The spelling of 745621052 in words is "seven hundred forty-five million, six hundred twenty-one thousand, fifty-two".