1002731874 has 64 divisors (see below), whose sum is σ = 2131363584. Its totient is φ = 313860096.

The previous prime is 1002731861. The next prime is 1002731953. The reversal of 1002731874 is 4781372001.

It is a happy number.

It is a super-2 number, since 2×1002731874² = 2010942422271103752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2315562 + ... + 2315994.

It is an arithmetic number, because the mean of its divisors is an integer number (33302556).

Almost surely, 2^1002731874 is an apocalyptic number.

1002731874 is an abundant number, since it is smaller than the sum of its proper divisors (1128631710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002731874 is a wasteful number, since it uses less digits than its factorization.

1002731874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1002731874 is about 31665.9418618806. The cubic root of 1002731874 is about 1000.9097966856.

The spelling of 1002731874 in words is "one billion, two million, seven hundred thirty-one thousand, eight hundred seventy-four".