734102021 has 4 divisors (see below), whose sum is σ = 734156544. Its totient is φ = 734047500.

The previous prime is 734101981. The next prime is 734102087. The reversal of 734102021 is 120201437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-734102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734101984 and 734102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734102821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9116 + ... + 39386.

It is an arithmetic number, because the mean of its divisors is an integer number (183539136).

Almost surely, 2^734102021 is an apocalyptic number.

It is an amenable number.

734102021 is a deficient number, since it is larger than the sum of its proper divisors (54523).

734102021 is a wasteful number, since it uses less digits than its factorization.

734102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54522.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 734102021 is about 27094.3171347794. The cubic root of 734102021 is about 902.0947179555.

Adding to 734102021 its reverse (120201437), we get a palindrome (854303458).

The spelling of 734102021 in words is "seven hundred thirty-four million, one hundred two thousand, twenty-one".