640076062 has 16 divisors (see below), whose sum is σ = 1002530592. Its totient is φ = 305917920.

The previous prime is 640076029. The next prime is 640076069. The reversal of 640076062 is 260670046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640076069) 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, 81868 + ... + 89344.

It is an arithmetic number, because the mean of its divisors is an integer number (62658162).

Almost surely, 2^640076062 is an apocalyptic number.

640076062 is a deficient number, since it is larger than the sum of its proper divisors (362454530).

640076062 is a wasteful number, since it uses less digits than its factorization.

640076062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 640076062 is about 25299.7245439550. The cubic root of 640076062 is about 861.8080143711.

The spelling of 640076062 in words is "six hundred forty million, seventy-six thousand, sixty-two".