614720070 has 32 divisors (see below), whose sum is σ = 1639254240. Its totient is φ = 163925280.

The previous prime is 614720027. The next prime is 614720077. The reversal of 614720070 is 70027416.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614720077) 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 15 ways as a sum of consecutive naturals, for example, 1138101 + ... + 1138640.

It is an arithmetic number, because the mean of its divisors is an integer number (51226695).

Almost surely, 2^614720070 is an apocalyptic number.

614720070 is an abundant number, since it is smaller than the sum of its proper divisors (1024534170).

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

614720070 is a wasteful number, since it uses less digits than its factorization.

614720070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276757 (or 2276751 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 614720070 is about 24793.5489593563. The cubic root of 614720070 is about 850.2744534724.

Adding to 614720070 its reverse (70027416), we get a palindrome (684747486).

The spelling of 614720070 in words is "six hundred fourteen million, seven hundred twenty thousand, seventy".