1478939750 has 32 divisors (see below), whose sum is σ = 2785637088. Its totient is φ = 587930400.

The previous prime is 1478939713. The next prime is 1478939779. The reversal of 1478939750 is 579398741.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1478939692 and 1478939701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22604 + ... + 58896.

It is an arithmetic number, because the mean of its divisors is an integer number (87051159).

Almost surely, 2^1478939750 is an apocalyptic number.

1478939750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1478939750 is a deficient number, since it is larger than the sum of its proper divisors (1306697338).

1478939750 is a wasteful number, since it uses less digits than its factorization.

1478939750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36473 (or 36463 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 1478939750 is about 38456.9857113113. The cubic root of 1478939750 is about 1139.3316463004.

The spelling of 1478939750 in words is "one billion, four hundred seventy-eight million, nine hundred thirty-nine thousand, seven hundred fifty".