734632621 has 4 divisors (see below), whose sum is σ = 735588700. Its totient is φ = 733676544.

The previous prime is 734632603. The next prime is 734632649. The reversal of 734632621 is 126236437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126236437 = 19 ⋅6644023.

It can be written as a sum of positive squares in 2 ways, for example, as 187306596 + 547326025 = 13686^2 + 23395^2 .

It is a cyclic number.

It is not a de Polignac number, because 734632621 - 2⁵ = 734632589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734632721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476886 + ... + 478423.

It is an arithmetic number, because the mean of its divisors is an integer number (183897175).

Almost surely, 2^734632621 is an apocalyptic number.

It is an amenable number.

734632621 is a deficient number, since it is larger than the sum of its proper divisors (956079).

734632621 is an equidigital number, since it uses as much as digits as its factorization.

734632621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956078.

The product of its digits is 36288, while the sum is 34.

The square root of 734632621 is about 27104.1070873032. The cubic root of 734632621 is about 902.3120066378.

The spelling of 734632621 in words is "seven hundred thirty-four million, six hundred thirty-two thousand, six hundred twenty-one".