340780472 has 8 divisors (see below), whose sum is σ = 638963400. Its totient is φ = 170390232.

The previous prime is 340780469. The next prime is 340780493. The reversal of 340780472 is 274087043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×340780472² = 232262660193085568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21298772 + ... + 21298787.

It is an arithmetic number, because the mean of its divisors is an integer number (79870425).

Almost surely, 2^340780472 is an apocalyptic number.

It is an amenable number.

340780472 is a deficient number, since it is larger than the sum of its proper divisors (298182928).

340780472 is a wasteful number, since it uses less digits than its factorization.

340780472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42597565 (or 42597561 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 340780472 is about 18460.2403017946. The cubic root of 340780472 is about 698.4868484671.

The spelling of 340780472 in words is "three hundred forty million, seven hundred eighty thousand, four hundred seventy-two".