39673420 has 24 divisors (see below), whose sum is σ = 83670048. Its totient is φ = 15801600.

The previous prime is 39673411. The next prime is 39673423. The reversal of 39673420 is 2437693.

It is not an unprimeable number, because it can be changed into a prime (39673423) 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, 705 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (3486252).

Almost surely, 2^39673420 is an apocalyptic number.

It is an amenable number.

39673420 is an abundant number, since it is smaller than the sum of its proper divisors (43996628).

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

39673420 is a wasteful number, since it uses less digits than its factorization.

39673420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 39673420 is about 6298.6839895331. The cubic root of 39673420 is about 341.0619048667.

The spelling of 39673420 in words is "thirty-nine million, six hundred seventy-three thousand, four hundred twenty".