82426072 has 32 divisors (see below), whose sum is σ = 160372800. Its totient is φ = 39686400.

The previous prime is 82426063. The next prime is 82426079. The reversal of 82426072 is 27062428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82426079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24322 + ... + 27502.

It is an arithmetic number, because the mean of its divisors is an integer number (5011650).

Almost surely, 2^82426072 is an apocalyptic number.

82426072 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

82426072 is a deficient number, since it is larger than the sum of its proper divisors (77946728).

82426072 is a wasteful number, since it uses less digits than its factorization.

82426072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 82426072 is about 9078.8805477327. The cubic root of 82426072 is about 435.1993132513.

It can be divided in two parts, 824 and 26072, that added together give a square (26896 = 164²).

The spelling of 82426072 in words is "eighty-two million, four hundred twenty-six thousand, seventy-two".