745394347 has 2 divisors, whose sum is σ = 745394348. Its totient is φ = 745394346.

The previous prime is 745394333. The next prime is 745394383. The reversal of 745394347 is 743493547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745394347 is a prime.

It is a super-2 number, since 2×745394347² = 1111225465079112818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745394297 and 745394306.

It is not a weakly prime, because it can be changed into another prime (745394317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372697173 + 372697174.

It is an arithmetic number, because the mean of its divisors is an integer number (372697174).

Almost surely, 2^745394347 is an apocalyptic number.

745394347 is a deficient number, since it is larger than the sum of its proper divisors (1).

745394347 is an equidigital number, since it uses as much as digits as its factorization.

745394347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The square root of 745394347 is about 27301.9110503276. The cubic root of 745394347 is about 906.6966927202.

The spelling of 745394347 in words is "seven hundred forty-five million, three hundred ninety-four thousand, three hundred forty-seven".