3897473742 has 12 divisors (see below), whose sum is σ = 8444526480. Its totient is φ = 1299157908.

The previous prime is 3897473707. The next prime is 3897473759. The reversal of 3897473742 is 2473747983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108263142 + ... + 108263177.

It is an arithmetic number, because the mean of its divisors is an integer number (703710540).

Almost surely, 2^3897473742 is an apocalyptic number.

3897473742 is an abundant number, since it is smaller than the sum of its proper divisors (4547052738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897473742 is a wasteful number, since it uses less digits than its factorization.

3897473742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216526327 (or 216526324 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The square root of 3897473742 is about 62429.7504560126. The cubic root of 3897473742 is about 1573.7209727945.

The spelling of 3897473742 in words is "three billion, eight hundred ninety-seven million, four hundred seventy-three thousand, seven hundred forty-two".