3772437521 has 8 divisors (see below), whose sum is σ = 3873629760. Its totient is φ = 3672487152.

The previous prime is 3772437509. The next prime is 3772437541. The reversal of 3772437521 is 1257342773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3772437521 - 2¹⁰ = 3772436497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3772437541) 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, 304310 + ... + 316463.

It is an arithmetic number, because the mean of its divisors is an integer number (484203720).

Almost surely, 2^3772437521 is an apocalyptic number.

It is an amenable number.

3772437521 is a deficient number, since it is larger than the sum of its proper divisors (101192239).

3772437521 is a wasteful number, since it uses less digits than its factorization.

3772437521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620935.

The product of its digits is 246960, while the sum is 41.

The square root of 3772437521 is about 61420.1719388671. The cubic root of 3772437521 is about 1556.7086976430.

The spelling of 3772437521 in words is "three billion, seven hundred seventy-two million, four hundred thirty-seven thousand, five hundred twenty-one".