614734890 has 128 divisors (see below), whose sum is σ = 1877299200. Its totient is φ = 127713600.

The previous prime is 614734889. The next prime is 614734907. The reversal of 614734890 is 98437416.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110475 + ... + 115905.

It is an arithmetic number, because the mean of its divisors is an integer number (14666400).

Almost surely, 2^614734890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614734890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938649600).

614734890 is an abundant number, since it is smaller than the sum of its proper divisors (1262564310).

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

614734890 is a wasteful number, since it uses less digits than its factorization.

614734890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5459 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 614734890 is about 24793.8478256200. The cubic root of 614734890 is about 850.2812863744.

The spelling of 614734890 in words is "six hundred fourteen million, seven hundred thirty-four thousand, eight hundred ninety".