64082247 has 16 divisors (see below), whose sum is σ = 88263648. Its totient is φ = 41333760.

The previous prime is 64082243. The next prime is 64082251. The reversal of 64082247 is 74228046.

It is an interprime number because it is at equal distance from previous prime (64082243) and next prime (64082251).

It is not a de Polignac number, because 64082247 - 2² = 64082243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64082243) 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, 8847 + ... + 14367.

It is an arithmetic number, because the mean of its divisors is an integer number (5516478).

Almost surely, 2^64082247 is an apocalyptic number.

64082247 is a deficient number, since it is larger than the sum of its proper divisors (24181401).

64082247 is a wasteful number, since it uses less digits than its factorization.

64082247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 64082247 is about 8005.1387870542. The cubic root of 64082247 is about 400.1712745688.

The spelling of 64082247 in words is "sixty-four million, eighty-two thousand, two hundred forty-seven".