64772634722234 has 32 divisors (see below), whose sum is σ = 98750758392000. Its totient is φ = 31858078184064.

The previous prime is 64772634722137. The next prime is 64772634722303. The reversal of 64772634722234 is 43222743627746.

It is a happy number.

It is a super-2 number, since 2×64772634722234² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887028977 + ... + 887101995.

It is an arithmetic number, because the mean of its divisors is an integer number (3085961199750).

Almost surely, 2^{64772634722234} is an apocalyptic number.

64772634722234 is a deficient number, since it is larger than the sum of its proper divisors (33978123669766).

64772634722234 is a wasteful number, since it uses less digits than its factorization.

64772634722234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89102.

The product of its digits is 113799168, while the sum is 59.

The spelling of 64772634722234 in words is "sixty-four trillion, seven hundred seventy-two billion, six hundred thirty-four million, seven hundred twenty-two thousand, two hundred thirty-four".