37068776021 has 4 divisors (see below), whose sum is σ = 37260842412. Its totient is φ = 36876709632.

The previous prime is 37068776011. The next prime is 37068776023. The reversal of 37068776021 is 12067786073.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24519175396 + 12549600625 = 156586^2 + 112025^2 .

It is a cyclic number.

It is not a de Polignac number, because 37068776021 - 2³⁰ = 35995034197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37068776023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96032906 + ... + 96033291.

It is an arithmetic number, because the mean of its divisors is an integer number (9315210603).

Almost surely, 2^37068776021 is an apocalyptic number.

It is an amenable number.

37068776021 is a deficient number, since it is larger than the sum of its proper divisors (192066391).

37068776021 is a wasteful number, since it uses less digits than its factorization.

37068776021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192066390.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 37068776021 in words is "thirty-seven billion, sixty-eight million, seven hundred seventy-six thousand, twenty-one".