734747420 has 48 divisors (see below), whose sum is σ = 1756435968. Its totient is φ = 255562560.

The previous prime is 734747417. The next prime is 734747449. The reversal of 734747420 is 24747437.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67544 + ... + 77663.

It is an arithmetic number, because the mean of its divisors is an integer number (36592416).

Almost surely, 2^734747420 is an apocalyptic number.

It is an amenable number.

734747420 is an abundant number, since it is smaller than the sum of its proper divisors (1021688548).

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

734747420 is a wasteful number, since it uses less digits than its factorization.

734747420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145250 (or 145248 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 734747420 is about 27106.2247463567. The cubic root of 734747420 is about 902.3590047871.

The spelling of 734747420 in words is "seven hundred thirty-four million, seven hundred forty-seven thousand, four hundred twenty".