3722526637 has 4 divisors (see below), whose sum is σ = 3723705216. Its totient is φ = 3721348060.

The previous prime is 3722526631. The next prime is 3722526659. The reversal of 3722526637 is 7366252273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7366252273 = 68767 ⋅107119.

It is a cyclic number.

It is not a de Polignac number, because 3722526637 - 2²⁷ = 3588308909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3722526593 and 3722526602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722526631) 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, 584539 + ... + 590872.

It is an arithmetic number, because the mean of its divisors is an integer number (930926304).

Almost surely, 2^3722526637 is an apocalyptic number.

It is an amenable number.

3722526637 is a deficient number, since it is larger than the sum of its proper divisors (1178579).

3722526637 is a wasteful number, since it uses less digits than its factorization.

3722526637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178578.

The product of its digits is 635040, while the sum is 43.

The square root of 3722526637 is about 61012.5121348072. The cubic root of 3722526637 is about 1549.8128996498.

The spelling of 3722526637 in words is "three billion, seven hundred twenty-two million, five hundred twenty-six thousand, six hundred thirty-seven".