740631925 has 18 divisors (see below), whose sum is σ = 1009467074. Its totient is φ = 538639200.

The previous prime is 740631917. The next prime is 740631937. The reversal of 740631925 is 529136047.

It can be written as a sum of positive squares in 3 ways, for example, as 3020644 + 737611281 = 1738^2 + 27159^2 .

It is not a de Polignac number, because 740631925 - 2³ = 740631917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119394 + ... + 125443.

Almost surely, 2^740631925 is an apocalyptic number.

It is an amenable number.

740631925 is a deficient number, since it is larger than the sum of its proper divisors (268835149).

740631925 is a wasteful number, since it uses less digits than its factorization.

740631925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244869 (or 244853 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 740631925 is about 27214.5535513629. The cubic root of 740631925 is about 904.7615643241.

The spelling of 740631925 in words is "seven hundred forty million, six hundred thirty-one thousand, nine hundred twenty-five".