83478070 has 32 divisors (see below), whose sum is σ = 162302112. Its totient is φ = 30730752.

The previous prime is 83478061. The next prime is 83478079. The reversal of 83478070 is 7087438.

It is an interprime number because it is at equal distance from previous prime (83478061) and next prime (83478079).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83478079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55549 + ... + 57031.

It is an arithmetic number, because the mean of its divisors is an integer number (5071941).

Almost surely, 2^83478070 is an apocalyptic number.

83478070 is a deficient number, since it is larger than the sum of its proper divisors (78824042).

83478070 is a wasteful number, since it uses less digits than its factorization.

83478070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 83478070 is about 9136.6334062389. The cubic root of 83478070 is about 437.0429643553.

The spelling of 83478070 in words is "eighty-three million, four hundred seventy-eight thousand, seventy".