34870731 has 16 divisors (see below), whose sum is σ = 54969600. Its totient is φ = 19238688.

The previous prime is 34870729. The next prime is 34870741. The reversal of 34870731 is 13707843.

It is not a de Polignac number, because 34870731 - 2¹ = 34870729 is a prime.

It is a super-2 number, since 2×34870731² = 2431935760948722, which contains 22 as substring.

34870731 is a modest number, since divided by 70731 gives 348 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 34870692 and 34870701.

It is not an unprimeable number, because it can be changed into a prime (34870741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28021 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (3435600).

Almost surely, 2^34870731 is an apocalyptic number.

34870731 is a deficient number, since it is larger than the sum of its proper divisors (20098869).

34870731 is a wasteful number, since it uses less digits than its factorization.

34870731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57298.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 34870731 is about 5905.1444520858. The cubic root of 34870731 is about 326.7034223300.

The spelling of 34870731 in words is "thirty-four million, eight hundred seventy thousand, seven hundred thirty-one".