340473673 has 8 divisors (see below), whose sum is σ = 358709120. Its totient is φ = 322269840.

The previous prime is 340473649. The next prime is 340473691. The reversal of 340473673 is 376374043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340473673 - 2⁵ = 340473641 is a prime.

It is a super-2 number, since 2×340473673² = 231844644012221858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340471673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16111 + ... + 30667.

It is an arithmetic number, because the mean of its divisors is an integer number (44838640).

Almost surely, 2^340473673 is an apocalyptic number.

It is an amenable number.

340473673 is a deficient number, since it is larger than the sum of its proper divisors (18235447).

340473673 is a wasteful number, since it uses less digits than its factorization.

340473673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807.

The product of its (nonzero) digits is 127008, while the sum is 37.

The square root of 340473673 is about 18451.9287067775. The cubic root of 340473673 is about 698.2771734953.

It can be divided in two parts, 3404 and 73673, that added together give a palindrome (77077).

The spelling of 340473673 in words is "three hundred forty million, four hundred seventy-three thousand, six hundred seventy-three".