1642874337 has 48 divisors (see below), whose sum is σ = 2717245440. Its totient is φ = 948714624.

The previous prime is 1642874249. The next prime is 1642874341. The reversal of 1642874337 is 7334782461.

It is not a de Polignac number, because 1642874337 - 2⁸ = 1642874081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1642874292 and 1642874301.

It is not an unprimeable number, because it can be changed into a prime (1642874347) 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, 136864 + ... + 148382.

It is an arithmetic number, because the mean of its divisors is an integer number (56609280).

Almost surely, 2^1642874337 is an apocalyptic number.

It is an amenable number.

1642874337 is a deficient number, since it is larger than the sum of its proper divisors (1074371103).

1642874337 is a wasteful number, since it uses less digits than its factorization.

1642874337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11614 (or 11611 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1642874337 is about 40532.3862732013. The cubic root of 1642874337 is about 1179.9622550887.

The spelling of 1642874337 in words is "one billion, six hundred forty-two million, eight hundred seventy-four thousand, three hundred thirty-seven".