607421755 has 4 divisors (see below), whose sum is σ = 728906112. Its totient is φ = 485937400.

The previous prime is 607421753. The next prime is 607421761. The reversal of 607421755 is 557124706.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 607421755 - 2¹ = 607421753 is a prime.

It is a super-2 number, since 2×607421755² = 737922376894560050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607421753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60742171 + ... + 60742180.

It is an arithmetic number, because the mean of its divisors is an integer number (182226528).

Almost surely, 2^607421755 is an apocalyptic number.

607421755 is a deficient number, since it is larger than the sum of its proper divisors (121484357).

607421755 is a wasteful number, since it uses less digits than its factorization.

607421755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121484356.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 607421755 is about 24645.9277569338. The cubic root of 607421755 is about 846.8960632643.

The spelling of 607421755 in words is "six hundred seven million, four hundred twenty-one thousand, seven hundred fifty-five".