340765740 has 144 divisors (see below), whose sum is σ = 1187484480. Its totient is φ = 77483520.

The previous prime is 340765721. The next prime is 340765751. The reversal of 340765740 is 47567043.

It is a super-2 number, since 2×340765740² = 232242579115495200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 340765695 and 340765704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287950 + ... + 289130.

It is an arithmetic number, because the mean of its divisors is an integer number (8246420).

Almost surely, 2^340765740 is an apocalyptic number.

340765740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340765740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593742240).

340765740 is an abundant number, since it is smaller than the sum of its proper divisors (846718740).

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

340765740 is a wasteful number, since it uses less digits than its factorization.

340765740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 340765740 is about 18459.8412777575. The cubic root of 340765740 is about 698.4767830855.

The spelling of 340765740 in words is "three hundred forty million, seven hundred sixty-five thousand, seven hundred forty".