2421402734 has 8 divisors (see below), whose sum is σ = 3757349160. Its totient is φ = 1168953016.

The previous prime is 2421402721. The next prime is 2421402749. The reversal of 2421402734 is 4372041242.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 2421402697 and 2421402706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20874104 + ... + 20874219.

It is an arithmetic number, because the mean of its divisors is an integer number (469668645).

Almost surely, 2^2421402734 is an apocalyptic number.

2421402734 is a deficient number, since it is larger than the sum of its proper divisors (1335946426).

2421402734 is a wasteful number, since it uses less digits than its factorization.

2421402734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41748354.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 2421402734 is about 49207.7507512790. The cubic root of 2421402734 is about 1342.8340431054.

Adding to 2421402734 its reverse (4372041242), we get a palindrome (6793443976).

The spelling of 2421402734 in words is "two billion, four hundred twenty-one million, four hundred two thousand, seven hundred thirty-four".