380721470 has 16 divisors (see below), whose sum is σ = 695528208. Its totient is φ = 150015360.

The previous prime is 380721469. The next prime is 380721491. The reversal of 380721470 is 74127083.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283451 + ... + 284790.

It is an arithmetic number, because the mean of its divisors is an integer number (43470513).

Almost surely, 2^380721470 is an apocalyptic number.

380721470 is a deficient number, since it is larger than the sum of its proper divisors (314806738).

380721470 is a wasteful number, since it uses less digits than its factorization.

380721470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568315.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 380721470 is about 19512.0852294162. The cubic root of 380721470 is about 724.7737510433.

The spelling of 380721470 in words is "three hundred eighty million, seven hundred twenty-one thousand, four hundred seventy".