745302665 has 8 divisors (see below), whose sum is σ = 894535488. Its totient is φ = 596127280.

The previous prime is 745302653. The next prime is 745302673. The reversal of 745302665 is 566203547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745302665 - 2⁶ = 745302601 is a prime.

It is a super-2 number, since 2×745302665² = 1110952124912204450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23060 + ... + 44970.

It is an arithmetic number, because the mean of its divisors is an integer number (111816936).

Almost surely, 2^745302665 is an apocalyptic number.

It is an amenable number.

745302665 is a deficient number, since it is larger than the sum of its proper divisors (149232823).

745302665 is a wasteful number, since it uses less digits than its factorization.

745302665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28719.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 745302665 is about 27300.2319587215. The cubic root of 745302665 is about 906.6595172417.

The spelling of 745302665 in words is "seven hundred forty-five million, three hundred two thousand, six hundred sixty-five".