745746663 has 8 divisors (see below), whose sum is σ = 1018580976. Its totient is φ = 485038400.

The previous prime is 745746653. The next prime is 745746671. The reversal of 745746663 is 366647547.

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

It is a cyclic number.

It is not a de Polignac number, because 745746663 - 2⁴ = 745746647 is a prime.

It is a super-2 number, since 2×745746663² = 1112276170751271138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745746613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031368 + ... + 3031613.

It is an arithmetic number, because the mean of its divisors is an integer number (127322622).

Almost surely, 2^745746663 is an apocalyptic number.

745746663 is a deficient number, since it is larger than the sum of its proper divisors (272834313).

745746663 is a wasteful number, since it uses less digits than its factorization.

745746663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063025.

The product of its digits is 2540160, while the sum is 48.

The square root of 745746663 is about 27308.3625104106. The cubic root of 745746663 is about 906.8395224574.

The spelling of 745746663 in words is "seven hundred forty-five million, seven hundred forty-six thousand, six hundred sixty-three".