39270042 has 32 divisors (see below), whose sum is σ = 99734400. Its totient is φ = 11219904.

The previous prime is 39270041. The next prime is 39270047. The reversal of 39270042 is 24007293.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 39269988 and 39270015.

It is not an unprimeable number, because it can be changed into a prime (39270041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51567 + ... + 52322.

It is an arithmetic number, because the mean of its divisors is an integer number (3116700).

Almost surely, 2^39270042 is an apocalyptic number.

39270042 is an abundant number, since it is smaller than the sum of its proper divisors (60464358).

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

39270042 is a wasteful number, since it uses less digits than its factorization.

39270042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103907 (or 103901 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 39270042 is about 6266.5813646677. The cubic root of 39270042 is about 339.9020536782.

The spelling of 39270042 in words is "thirty-nine million, two hundred seventy thousand, forty-two".