745339499 has 4 divisors (see below), whose sum is σ = 752719200. Its totient is φ = 737959800.

The previous prime is 745339409. The next prime is 745339531. The reversal of 745339499 is 994933547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994933547 = 103 ⋅9659549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745339499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745339499.

It is not an unprimeable number, because it can be changed into a prime (745339409) 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, 3689699 + ... + 3689900.

It is an arithmetic number, because the mean of its divisors is an integer number (188179800).

Almost surely, 2^745339499 is an apocalyptic number.

745339499 is a deficient number, since it is larger than the sum of its proper divisors (7379701).

745339499 is a wasteful number, since it uses less digits than its factorization.

745339499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379700.

The product of its digits is 3674160, while the sum is 53.

The square root of 745339499 is about 27300.9065600394. The cubic root of 745339499 is about 906.6744531633.

The spelling of 745339499 in words is "seven hundred forty-five million, three hundred thirty-nine thousand, four hundred ninety-nine".