37878942 has 16 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 12612312.

The previous prime is 37878889. The next prime is 37878949. The reversal of 37878942 is 24987873.

It is a junction number, because it is equal to n+sod(n) for n = 37878891 and 37878900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37878949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (4740120).

Almost surely, 2^37878942 is an apocalyptic number.

37878942 is an abundant number, since it is smaller than the sum of its proper divisors (37962978).

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

37878942 is a wasteful number, since it uses less digits than its factorization.

37878942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007.

The product of its digits is 677376, while the sum is 48.

The square root of 37878942 is about 6154.5870698204. The cubic root of 37878942 is about 335.8401485946.

The spelling of 37878942 in words is "thirty-seven million, eight hundred seventy-eight thousand, nine hundred forty-two".