1572671942 has 8 divisors (see below), whose sum is σ = 2360273016. Its totient is φ = 785914272.

The previous prime is 1572671941. The next prime is 1572671951. The reversal of 1572671942 is 2491762751.

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

It is a junction number, because it is equal to n+sod(n) for n = 1572671893 and 1572671902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572671941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206168 + ... + 213659.

It is an arithmetic number, because the mean of its divisors is an integer number (295034127).

Almost surely, 2^1572671942 is an apocalyptic number.

1572671942 is a deficient number, since it is larger than the sum of its proper divisors (787601074).

1572671942 is a wasteful number, since it uses less digits than its factorization.

1572671942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421702.

The product of its digits is 211680, while the sum is 44.

The square root of 1572671942 is about 39656.9280454248. The cubic root of 1572671942 is about 1162.9098423422.

The spelling of 1572671942 in words is "one billion, five hundred seventy-two million, six hundred seventy-one thousand, nine hundred forty-two".