6374745531 has 24 divisors (see below), whose sum is σ = 11480062464. Its totient is φ = 3311555760.

The previous prime is 6374745479. The next prime is 6374745539. The reversal of 6374745531 is 1355474736.

6374745531 is a `hidden beast` number, since 6 + 3 + 74 + 7 + 45 + 531 = 666.

It is not a de Polignac number, because 6374745531 - 2⁶ = 6374745467 is a prime.

It is a super-2 number, since 2×6374745531² = 81274761170008943922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6374745539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4598691 + ... + 4600076.

It is an arithmetic number, because the mean of its divisors is an integer number (478335936).

Almost surely, 2^6374745531 is an apocalyptic number.

6374745531 is a deficient number, since it is larger than the sum of its proper divisors (5105316933).

6374745531 is a wasteful number, since it uses less digits than its factorization.

6374745531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198791 (or 9198788 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 6374745531 is about 79842.0035507627. The cubic root of 6374745531 is about 1854.1902129214.

It can be divided in two parts, 63747 and 45531, that added together give a triangular number (109278 = T₄₆₇).

The spelling of 6374745531 in words is "six billion, three hundred seventy-four million, seven hundred forty-five thousand, five hundred thirty-one".