390070272 has 92 divisors (see below), whose sum is σ = 1073741696. Its totient is φ = 125829120.

The previous prime is 390070267. The next prime is 390070283. The reversal of 390070272 is 272070093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12582897 + ... + 12582927.

Almost surely, 2^390070272 is an apocalyptic number.

390070272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390070272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536870848).

390070272 is an abundant number, since it is smaller than the sum of its proper divisors (683671424).

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

390070272 is an frugal number, since it uses more digits than its factorization.

390070272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 390070272 is about 19750.1967585136. The cubic root of 390070272 is about 730.6582365933.

The spelling of 390070272 in words is "three hundred ninety million, seventy thousand, two hundred seventy-two".