340748730 has 48 divisors (see below), whose sum is σ = 1012512384. Its totient is φ = 77885280.

The previous prime is 340748711. The next prime is 340748741. The reversal of 340748730 is 37847043.

It is a super-2 number, since 2×340748730² = 232219393993225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269806 + ... + 271065.

It is an arithmetic number, because the mean of its divisors is an integer number (21094008).

Almost surely, 2^340748730 is an apocalyptic number.

340748730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340748730 is an abundant number, since it is smaller than the sum of its proper divisors (671763654).

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

340748730 is a wasteful number, since it uses less digits than its factorization.

340748730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540891 (or 540888 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 340748730 is about 18459.3805421525. The cubic root of 340748730 is about 698.4651609392.

The spelling of 340748730 in words is "three hundred forty million, seven hundred forty-eight thousand, seven hundred thirty".