344740770 has 192 divisors, whose sum is σ = 1035141120. Its totient is φ = 78825600.

The previous prime is 344740687. The next prime is 344740771. The reversal of 344740770 is 77047443.

It is not an unprimeable number, because it can be changed into a prime (344740771) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1442311 + ... + 1442549.

It is an arithmetic number, because the mean of its divisors is an integer number (5391360).

Almost surely, 2^344740770 is an apocalyptic number.

344740770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 344740770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517570560).

344740770 is an abundant number, since it is smaller than the sum of its proper divisors (690400350).

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

344740770 is a wasteful number, since it uses less digits than its factorization.

344740770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 344740770 is about 18567.1960726438. The cubic root of 344740770 is about 701.1821995894.

The spelling of 344740770 in words is "three hundred forty-four million, seven hundred forty thousand, seven hundred seventy".