874689742 has 4 divisors (see below), whose sum is σ = 1312034616. Its totient is φ = 437344870.

The previous prime is 874689667. The next prime is 874689743. The reversal of 874689742 is 247986478.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247986478 = 2 ⋅123993239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874689743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218672434 + ... + 218672437.

It is an arithmetic number, because the mean of its divisors is an integer number (328008654).

Almost surely, 2^874689742 is an apocalyptic number.

874689742 is a deficient number, since it is larger than the sum of its proper divisors (437344874).

874689742 is a wasteful number, since it uses less digits than its factorization.

874689742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437344873.

The product of its digits is 5419008, while the sum is 55.

The square root of 874689742 is about 29575.1541331571. The cubic root of 874689742 is about 956.3525299834.

The spelling of 874689742 in words is "eight hundred seventy-four million, six hundred eighty-nine thousand, seven hundred forty-two".