740518425 has 36 divisors (see below), whose sum is σ = 1358717724. Its totient is φ = 385305600.

The previous prime is 740518403. The next prime is 740518477. The reversal of 740518425 is 524815047.

It can be written as a sum of positive squares in 6 ways, for example, as 193098816 + 547419609 = 13896^2 + 23397^2 .

It is not a de Polignac number, because 740518425 - 2⁸ = 740518169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740518425.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30912 + ... + 49361.

It is an arithmetic number, because the mean of its divisors is an integer number (37742159).

Almost surely, 2^740518425 is an apocalyptic number.

740518425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

740518425 is a deficient number, since it is larger than the sum of its proper divisors (618199299).

740518425 is a wasteful number, since it uses less digits than its factorization.

740518425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80330 (or 80322 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 740518425 is about 27212.4681901514. The cubic root of 740518425 is about 904.7153444766.

The spelling of 740518425 in words is "seven hundred forty million, five hundred eighteen thousand, four hundred twenty-five".