745169997 has 16 divisors (see below), whose sum is σ = 1167259968. Its totient is φ = 416878080.

The previous prime is 745169963. The next prime is 745170011. The reversal of 745169997 is 799961547.

It is not a de Polignac number, because 745169997 - 2⁷ = 745169869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745169917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868068 + ... + 868925.

It is an arithmetic number, because the mean of its divisors is an integer number (72953748).

Almost surely, 2^745169997 is an apocalyptic number.

It is an amenable number.

745169997 is a deficient number, since it is larger than the sum of its proper divisors (422089971).

745169997 is a wasteful number, since it uses less digits than its factorization.

745169997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737020.

The product of its digits is 4286520, while the sum is 57.

The square root of 745169997 is about 27297.8020543779. The cubic root of 745169997 is about 906.6057172450.

The spelling of 745169997 in words is "seven hundred forty-five million, one hundred sixty-nine thousand, nine hundred ninety-seven".