753397540 has 36 divisors (see below), whose sum is σ = 1840444956. Its totient is φ = 258307392.

The previous prime is 753397531. The next prime is 753397577. The reversal of 753397540 is 45793357.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120472576 + 632924964 = 10976^2 + 25158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383407 + ... + 385366.

It is an arithmetic number, because the mean of its divisors is an integer number (51123471).

Almost surely, 2^753397540 is an apocalyptic number.

753397540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

753397540 is an abundant number, since it is smaller than the sum of its proper divisors (1087047416).

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

753397540 is a wasteful number, since it uses less digits than its factorization.

753397540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768796 (or 768787 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 753397540 is about 27448.0880937088. The cubic root of 753397540 is about 909.9301721568.

The spelling of 753397540 in words is "seven hundred fifty-three million, three hundred ninety-seven thousand, five hundred forty".