37949642 has 32 divisors (see below), whose sum is σ = 61461504. Its totient is φ = 17539200.

The previous prime is 37949591. The next prime is 37949647. The reversal of 37949642 is 24694973.

It is a junction number, because it is equal to n+sod(n) for n = 37949593 and 37949602.

It is not an unprimeable number, because it can be changed into a prime (37949647) 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, 162758 + ... + 162990.

It is an arithmetic number, because the mean of its divisors is an integer number (1920672).

Almost surely, 2^37949642 is an apocalyptic number.

37949642 is a deficient number, since it is larger than the sum of its proper divisors (23511862).

37949642 is a wasteful number, since it uses less digits than its factorization.

37949642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 326592, while the sum is 44.

The square root of 37949642 is about 6160.3280756791. The cubic root of 37949642 is about 336.0489641889.

The spelling of 37949642 in words is "thirty-seven million, nine hundred forty-nine thousand, six hundred forty-two".