1402740873 has 24 divisors (see below), whose sum is σ = 2258287200. Its totient is φ = 833825664.

The previous prime is 1402740847. The next prime is 1402740893. The reversal of 1402740873 is 3780472041.

It is a happy number.

It is not a de Polignac number, because 1402740873 - 2⁵ = 1402740841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402740893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238363 + ... + 244176.

It is an arithmetic number, because the mean of its divisors is an integer number (94095300).

Almost surely, 2^1402740873 is an apocalyptic number.

It is an amenable number.

1402740873 is a deficient number, since it is larger than the sum of its proper divisors (855546327).

1402740873 is a wasteful number, since it uses less digits than its factorization.

1402740873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482581 (or 482578 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1402740873 is about 37453.1824148496. The cubic root of 1402740873 is about 1119.4185100654.

The spelling of 1402740873 in words is "one billion, four hundred two million, seven hundred forty thousand, eight hundred seventy-three".