38100072 has 16 divisors (see below), whose sum is σ = 95250240. Its totient is φ = 12700016.

The previous prime is 38100067. The next prime is 38100133. The reversal of 38100072 is 27000183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793728 + ... + 793775.

It is an arithmetic number, because the mean of its divisors is an integer number (5953140).

Almost surely, 2^38100072 is an apocalyptic number.

It is an amenable number.

38100072 is an abundant number, since it is smaller than the sum of its proper divisors (57150168).

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

38100072 is a wasteful number, since it uses less digits than its factorization.

38100072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587512 (or 1587508 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 38100072 is about 6172.5255771038. The cubic root of 38100072 is about 336.4924044512.

The spelling of 38100072 in words is "thirty-eight million, one hundred thousand, seventy-two".