380540072 has 32 divisors (see below), whose sum is σ = 780192000. Its totient is φ = 172569600.

The previous prime is 380540071. The next prime is 380540093. The reversal of 380540072 is 270045083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (380540071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34697 + ... + 44327.

It is an arithmetic number, because the mean of its divisors is an integer number (24381000).

Almost surely, 2^380540072 is an apocalyptic number.

It is an amenable number.

380540072 is an abundant number, since it is smaller than the sum of its proper divisors (399651928).

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

380540072 is a wasteful number, since it uses less digits than its factorization.

380540072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097 (or 10093 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 380540072 is about 19507.4363256682. The cubic root of 380540072 is about 724.6586245399.

The spelling of 380540072 in words is "three hundred eighty million, five hundred forty thousand, seventy-two".