38070072 has 96 divisors (see below), whose sum is σ = 114987600. Its totient is φ = 11308032.

The previous prime is 38070061. The next prime is 38070073. The reversal of 38070072 is 27007083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38070073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22438 + ... + 24074.

Almost surely, 2^38070072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38070072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57493800).

38070072 is an abundant number, since it is smaller than the sum of its proper divisors (76917528).

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

38070072 is a wasteful number, since it uses less digits than its factorization.

38070072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 38070072 is about 6170.0949749578. The cubic root of 38070072 is about 336.4040632110.

The spelling of 38070072 in words is "thirty-eight million, seventy thousand, seventy-two".