82067420 has 12 divisors (see below), whose sum is σ = 172341624. Its totient is φ = 32826960.

The previous prime is 82067411. The next prime is 82067431. The reversal of 82067420 is 2476028.

It is a super-2 number, since 2×82067420² = 13470122850912800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051666 + ... + 2051705.

It is an arithmetic number, because the mean of its divisors is an integer number (14361802).

Almost surely, 2^82067420 is an apocalyptic number.

It is an amenable number.

82067420 is an abundant number, since it is smaller than the sum of its proper divisors (90274204).

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

82067420 is a wasteful number, since it uses less digits than its factorization.

82067420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103380 (or 4103378 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 82067420 is about 9059.1070200103. The cubic root of 82067420 is about 434.5671830091.

The spelling of 82067420 in words is "eighty-two million, sixty-seven thousand, four hundred twenty".