745627653 has 8 divisors (see below), whose sum is σ = 1104633600. Its totient is φ = 497085084.

The previous prime is 745627643. The next prime is 745627699. The reversal of 745627653 is 356726547.

It is not a de Polignac number, because 745627653 - 2¹⁷ = 745496581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 745627599 and 745627608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745627643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13807893 + ... + 13807946.

It is an arithmetic number, because the mean of its divisors is an integer number (138079200).

Almost surely, 2^745627653 is an apocalyptic number.

It is an amenable number.

745627653 is a deficient number, since it is larger than the sum of its proper divisors (359005947).

745627653 is a wasteful number, since it uses less digits than its factorization.

745627653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27615848 (or 27615842 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 745627653 is about 27306.1834206101. The cubic root of 745627653 is about 906.7912805550.

It can be divided in two parts, 74562 and 7653, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 745627653 in words is "seven hundred forty-five million, six hundred twenty-seven thousand, six hundred fifty-three".