755447740 has 36 divisors (see below), whose sum is σ = 1606077144. Its totient is φ = 298483936.

The previous prime is 755447677. The next prime is 755447747. The reversal of 755447740 is 47744557.

It is a super-2 number, since 2×755447740² = 1141402575742215200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755447747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135039 + ... + 140521.

It is an arithmetic number, because the mean of its divisors is an integer number (44613254).

Almost surely, 2^755447740 is an apocalyptic number.

It is an amenable number.

755447740 is an abundant number, since it is smaller than the sum of its proper divisors (850629404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755447740 is a wasteful number, since it uses less digits than its factorization.

755447740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658 (or 5573 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 43.

The square root of 755447740 is about 27485.4095839957. The cubic root of 755447740 is about 910.7548138988.

The spelling of 755447740 in words is "seven hundred fifty-five million, four hundred forty-seven thousand, seven hundred forty".