1478733628 has 12 divisors (see below), whose sum is σ = 2589041952. Its totient is φ = 739007360.

The previous prime is 1478733587. The next prime is 1478733629. The reversal of 1478733628 is 8263378741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478733629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80500 + ... + 97147.

It is an arithmetic number, because the mean of its divisors is an integer number (215753496).

Almost surely, 2^1478733628 is an apocalyptic number.

It is an amenable number.

1478733628 is a deficient number, since it is larger than the sum of its proper divisors (1110308324).

1478733628 is a wasteful number, since it uses less digits than its factorization.

1478733628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179732 (or 179730 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 1478733628 is about 38454.3057147051. The cubic root of 1478733628 is about 1139.2787137342.

The spelling of 1478733628 in words is "one billion, four hundred seventy-eight million, seven hundred thirty-three thousand, six hundred twenty-eight".