37978412 has 6 divisors (see below), whose sum is σ = 66462228. Its totient is φ = 18989204.

The previous prime is 37978411. The next prime is 37978433. The reversal of 37978412 is 21487973.

It is a self number, because there is not a number n which added to its sum of digits gives 37978412.

It is not an unprimeable number, because it can be changed into a prime (37978411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4747298 + ... + 4747305.

It is an arithmetic number, because the mean of its divisors is an integer number (11077038).

Almost surely, 2^37978412 is an apocalyptic number.

It is an amenable number.

37978412 is a deficient number, since it is larger than the sum of its proper divisors (28483816).

37978412 is a wasteful number, since it uses less digits than its factorization.

37978412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494607 (or 9494605 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 37978412 is about 6162.6627361880. The cubic root of 37978412 is about 336.1338634225.

The spelling of 37978412 in words is "thirty-seven million, nine hundred seventy-eight thousand, four hundred twelve".