745602331 has 4 divisors (see below), whose sum is σ = 756730792. Its totient is φ = 734473872.

The previous prime is 745602317. The next prime is 745602353. The reversal of 745602331 is 133206547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745602331 - 2¹³ = 745594139 is a prime.

It is a super-2 number, since 2×745602331² = 1111845671985267122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745602293 and 745602302.

It is not an unprimeable number, because it can be changed into a prime (745602391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564130 + ... + 5564263.

It is an arithmetic number, because the mean of its divisors is an integer number (189182698).

Almost surely, 2^745602331 is an apocalyptic number.

745602331 is a deficient number, since it is larger than the sum of its proper divisors (11128461).

745602331 is a wasteful number, since it uses less digits than its factorization.

745602331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128460.

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

The square root of 745602331 is about 27305.7197487999. The cubic root of 745602331 is about 906.7810153650.

Adding to 745602331 its reverse (133206547), we get a palindrome (878808878).

The spelling of 745602331 in words is "seven hundred forty-five million, six hundred two thousand, three hundred thirty-one".