64406002 has 16 divisors (see below), whose sum is σ = 100219680. Its totient is φ = 31020192.

The previous prime is 64405981. The next prime is 64406009. The reversal of 64406002 is 20060446.

It is not an unprimeable number, because it can be changed into a prime (64406009) 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, 1149 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (6263730).

Almost surely, 2^64406002 is an apocalyptic number.

64406002 is a deficient number, since it is larger than the sum of its proper divisors (35813678).

64406002 is a wasteful number, since it uses less digits than its factorization.

64406002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64406002 is about 8025.3350085838. The cubic root of 64406002 is about 400.8440551744.

Adding to 64406002 its reverse (20060446), we get a palindrome (84466448).

The spelling of 64406002 in words is "sixty-four million, four hundred six thousand, two".