734478672 has 20 divisors (see below), whose sum is σ = 1897403360. Its totient is φ = 244826208.

The previous prime is 734478653. The next prime is 734478697. The reversal of 734478672 is 276874437.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 15301639 = 734478672 / (7 + 3 + 4 + 4 + 7 + 8 + 6 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7650772 + ... + 7650867.

It is an arithmetic number, because the mean of its divisors is an integer number (94870168).

Almost surely, 2^734478672 is an apocalyptic number.

It is an amenable number.

734478672 is an abundant number, since it is smaller than the sum of its proper divisors (1162924688).

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

734478672 is a wasteful number, since it uses less digits than its factorization.

734478672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301650 (or 15301644 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 48.

The square root of 734478672 is about 27101.2669814531. The cubic root of 734478672 is about 902.2489729837.

The spelling of 734478672 in words is "seven hundred thirty-four million, four hundred seventy-eight thousand, six hundred seventy-two".