614691690 has 16 divisors (see below), whose sum is σ = 1475260128. Its totient is φ = 163917776.

The previous prime is 614691689. The next prime is 614691713. The reversal of 614691690 is 96196416.

614691690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×614691690² = 755691747510112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10244832 + ... + 10244891.

It is an arithmetic number, because the mean of its divisors is an integer number (92203758).

Almost surely, 2^614691690 is an apocalyptic number.

614691690 is an abundant number, since it is smaller than the sum of its proper divisors (860568438).

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

614691690 is a wasteful number, since it uses less digits than its factorization.

614691690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20489733.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 614691690 is about 24792.9766264561. The cubic root of 614691690 is about 850.2613682967.

The spelling of 614691690 in words is "six hundred fourteen million, six hundred ninety-one thousand, six hundred ninety".