1872506494 has 8 divisors (see below), whose sum is σ = 2809159920. Its totient is φ = 936119856.

The previous prime is 1872506491. The next prime is 1872506513. The reversal of 1872506494 is 4946052781.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872506491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48114 + ... + 77845.

It is an arithmetic number, because the mean of its divisors is an integer number (351144990).

Almost surely, 2^1872506494 is an apocalyptic number.

1872506494 is a deficient number, since it is larger than the sum of its proper divisors (936653426).

1872506494 is a wasteful number, since it uses less digits than its factorization.

1872506494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133394.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1872506494 is about 43272.4680830664. The cubic root of 1872506494 is about 1232.5591711529.

The spelling of 1872506494 in words is "one billion, eight hundred seventy-two million, five hundred six thousand, four hundred ninety-four".