745359397 has 4 divisors (see below), whose sum is σ = 752596000. Its totient is φ = 738122796.

The previous prime is 745359361. The next prime is 745359403. The reversal of 745359397 is 793953547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793953547 = 1117 ⋅710791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745359397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745359337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618147 + ... + 3618352.

It is an arithmetic number, because the mean of its divisors is an integer number (188149000).

Almost surely, 2^745359397 is an apocalyptic number.

It is an amenable number.

745359397 is a deficient number, since it is larger than the sum of its proper divisors (7236603).

745359397 is a wasteful number, since it uses less digits than its factorization.

745359397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236602.

The product of its digits is 3572100, while the sum is 52.

The square root of 745359397 is about 27301.2709777402. The cubic root of 745359397 is about 906.6825214542.

The spelling of 745359397 in words is "seven hundred forty-five million, three hundred fifty-nine thousand, three hundred ninety-seven".