38280072 has 16 divisors (see below), whose sum is σ = 95700240. Its totient is φ = 12760016.

The previous prime is 38280049. The next prime is 38280083. The reversal of 38280072 is 27008283.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797478 + ... + 797525.

It is an arithmetic number, because the mean of its divisors is an integer number (5981265).

Almost surely, 2^38280072 is an apocalyptic number.

It is an amenable number.

38280072 is an abundant number, since it is smaller than the sum of its proper divisors (57420168).

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

38280072 is a wasteful number, since it uses less digits than its factorization.

38280072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595012 (or 1595008 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 38280072 is about 6187.0891378741. The cubic root of 38280072 is about 337.0214804319.

It can be divided in two parts, 382800 and 72, that multiplied together give a triangular number (27561600 = T₇₄₂₄).

The spelling of 38280072 in words is "thirty-eight million, two hundred eighty thousand, seventy-two".