34328731 has 4 divisors (see below), whose sum is σ = 34340464. Its totient is φ = 34317000.

The previous prime is 34328699. The next prime is 34328741. The reversal of 34328731 is 13782343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13782343 = 167 ⋅82529.

It is a cyclic number.

It is not a de Polignac number, because 34328731 - 2⁵ = 34328699 is a prime.

It is a super-2 number, since 2×34328731² = 2356923544140722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34328693 and 34328702.

It is not an unprimeable number, because it can be changed into a prime (34328741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506 + ... + 8656.

It is an arithmetic number, because the mean of its divisors is an integer number (8585116).

Almost surely, 2^34328731 is an apocalyptic number.

34328731 is a deficient number, since it is larger than the sum of its proper divisors (11733).

34328731 is an equidigital number, since it uses as much as digits as its factorization.

34328731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732.

The product of its digits is 12096, while the sum is 31.

The square root of 34328731 is about 5859.0725375267. The cubic root of 34328731 is about 325.0019124148.

The spelling of 34328731 in words is "thirty-four million, three hundred twenty-eight thousand, seven hundred thirty-one".