82739064 has 32 divisors (see below), whose sum is σ = 207378000. Its totient is φ = 27508992.

The previous prime is 82739047. The next prime is 82739071. The reversal of 82739064 is 46093728.

82739064 = 230² + 231² + ... + 638².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602 + ... + 14030.

Almost surely, 2^82739064 is an apocalyptic number.

It is an amenable number.

82739064 is an abundant number, since it is smaller than the sum of its proper divisors (124638936).

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

82739064 is a wasteful number, since it uses less digits than its factorization.

82739064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847 (or 8843 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 82739064 is about 9096.1015825462. The cubic root of 82739064 is about 435.7494703009.

The spelling of 82739064 in words is "eighty-two million, seven hundred thirty-nine thousand, sixty-four".