1478069672 has 8 divisors (see below), whose sum is σ = 2771380650. Its totient is φ = 739034832.

The previous prime is 1478069669. The next prime is 1478069689. The reversal of 1478069672 is 2769608741.

It can be written as a sum of positive squares in only one way, i.e., 880071556 + 597998116 = 29666^2 + 24454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1478069672.

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 as a sum of consecutive naturals, namely, 92379347 + ... + 92379362.

Almost surely, 2^1478069672 is an apocalyptic number.

It is an amenable number.

1478069672 is a deficient number, since it is larger than the sum of its proper divisors (1293310978).

1478069672 is a wasteful number, since it uses less digits than its factorization.

1478069672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184758715 (or 184758711 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 1478069672 is about 38445.6716939632. The cubic root of 1478069672 is about 1139.1081749784.

It can be divided in two parts, 1478069 and 672, that added together give a palindrome (1478741).

The spelling of 1478069672 in words is "one billion, four hundred seventy-eight million, sixty-nine thousand, six hundred seventy-two".