745770250 has 16 divisors (see below), whose sum is σ = 1396082376. Its totient is φ = 298308000.

The previous prime is 745770247. The next prime is 745770257. The reversal of 745770250 is 52077547.

It can be written as a sum of positive squares in 4 ways, for example, as 169338169 + 576432081 = 13013^2 + 24009^2 .

It is not an unprimeable number, because it can be changed into a prime (745770257) 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, 1491291 + ... + 1491790.

Almost surely, 2^745770250 is an apocalyptic number.

745770250 is a deficient number, since it is larger than the sum of its proper divisors (650312126).

745770250 is a wasteful number, since it uses less digits than its factorization.

745770250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983098 (or 2983088 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 745770250 is about 27308.7943710447. The cubic root of 745770250 is about 906.8490830760.

The spelling of 745770250 in words is "seven hundred forty-five million, seven hundred seventy thousand, two hundred fifty".