745997023 has 4 divisors (see below), whose sum is σ = 746052120. Its totient is φ = 745941928.

The previous prime is 745996991. The next prime is 745997029. The reversal of 745997023 is 320799547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 745997023 - 2⁵ = 745996991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745997029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8388 + ... + 39526.

It is an arithmetic number, because the mean of its divisors is an integer number (186513030).

Almost surely, 2^745997023 is an apocalyptic number.

745997023 is a deficient number, since it is larger than the sum of its proper divisors (55097).

745997023 is a wasteful number, since it uses less digits than its factorization.

745997023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55096.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 745997023 is about 27312.9460695839. The cubic root of 745997023 is about 906.9409916525.

The spelling of 745997023 in words is "seven hundred forty-five million, nine hundred ninety-seven thousand, twenty-three".