3787213437 has 48 divisors (see below), whose sum is σ = 6968108160. Its totient is φ = 1929609216.

The previous prime is 3787213427. The next prime is 3787213447. The reversal of 3787213437 is 7343127873.

It is an interprime number because it is at equal distance from previous prime (3787213427) and next prime (3787213447).

It is not a de Polignac number, because 3787213437 - 2¹⁴ = 3787197053 is a prime.

It is a super-3 number, since 3×3787213437³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3787213392 and 3787213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787213427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72708 + ... + 113405.

It is an arithmetic number, because the mean of its divisors is an integer number (145168920).

Almost surely, 2^3787213437 is an apocalyptic number.

It is an amenable number.

3787213437 is a deficient number, since it is larger than the sum of its proper divisors (3180894723).

3787213437 is a wasteful number, since it uses less digits than its factorization.

3787213437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186162 (or 186159 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 3787213437 is about 61540.3399161883. The cubic root of 3787213437 is about 1558.7384932142.

The spelling of 3787213437 in words is "three billion, seven hundred eighty-seven million, two hundred thirteen thousand, four hundred thirty-seven".