21073737062 has 32 divisors (see below), whose sum is σ = 36558432000. Its totient is φ = 8923960800.

The previous prime is 21073737043. The next prime is 21073737071. The reversal of 21073737062 is 26073737012.

It is a congruent number.

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, 690653 + ... + 720519.

It is an arithmetic number, because the mean of its divisors is an integer number (1142451000).

Almost surely, 2^21073737062 is an apocalyptic number.

21073737062 is a deficient number, since it is larger than the sum of its proper divisors (15484694938).

21073737062 is a wasteful number, since it uses less digits than its factorization.

21073737062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30476.

The product of its (nonzero) digits is 74088, while the sum is 38.

The spelling of 21073737062 in words is "twenty-one billion, seventy-three million, seven hundred thirty-seven thousand, sixty-two".