745348547 has 2 divisors, whose sum is σ = 745348548. Its totient is φ = 745348546.

The previous prime is 745348523. The next prime is 745348577. The reversal of 745348547 is 745843547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745348547 - 2²⁰ = 744299971 is a prime.

It is a super-2 number, since 2×745348547² = 1111088913030022418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (745348577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372674273 + 372674274.

It is an arithmetic number, because the mean of its divisors is an integer number (372674274).

Almost surely, 2^745348547 is an apocalyptic number.

745348547 is a deficient number, since it is larger than the sum of its proper divisors (1).

745348547 is an equidigital number, since it uses as much as digits as its factorization.

745348547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 47.

The square root of 745348547 is about 27301.0722683194. The cubic root of 745348547 is about 906.6781219868.

The spelling of 745348547 in words is "seven hundred forty-five million, three hundred forty-eight thousand, five hundred forty-seven".