83470340 has 24 divisors (see below), whose sum is σ = 185599512. Its totient is φ = 31424000.

The previous prime is 83470337. The next prime is 83470367. The reversal of 83470340 is 4307438.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 81685444 = 1336^2 + 9038^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122411 + ... + 123090.

It is an arithmetic number, because the mean of its divisors is an integer number (7733313).

Almost surely, 2^83470340 is an apocalyptic number.

It is an amenable number.

83470340 is an abundant number, since it is smaller than the sum of its proper divisors (102129172).

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

83470340 is a wasteful number, since it uses less digits than its factorization.

83470340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245527 (or 245525 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 83470340 is about 9136.2103741103. The cubic root of 83470340 is about 437.0294740003.

Adding to 83470340 its reverse (4307438), we get a palindrome (87777778).

The spelling of 83470340 in words is "eighty-three million, four hundred seventy thousand, three hundred forty".