745692473 has 2 divisors, whose sum is σ = 745692474. Its totient is φ = 745692472.

The previous prime is 745692443. The next prime is 745692509. The reversal of 745692473 is 374296547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471193849 + 274498624 = 21707^2 + 16568^2 .

It is a cyclic number.

It is not a de Polignac number, because 745692473 - 2¹⁰ = 745691449 is a prime.

It is not a weakly prime, because it can be changed into another prime (745692433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372846236 + 372846237.

It is an arithmetic number, because the mean of its divisors is an integer number (372846237).

Almost surely, 2^745692473 is an apocalyptic number.

It is an amenable number.

745692473 is a deficient number, since it is larger than the sum of its proper divisors (1).

745692473 is an equidigital number, since it uses as much as digits as its factorization.

745692473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The square root of 745692473 is about 27307.3703054688. The cubic root of 745692473 is about 906.8175566315.

The spelling of 745692473 in words is "seven hundred forty-five million, six hundred ninety-two thousand, four hundred seventy-three".