39672560 has 80 divisors (see below), whose sum is σ = 100922112. Its totient is φ = 14438400.

The previous prime is 39672557. The next prime is 39672569. The reversal of 39672560 is 6527693.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39672569) 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, 41690 + ... + 42630.

Almost surely, 2^39672560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39672560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50461056).

39672560 is an abundant number, since it is smaller than the sum of its proper divisors (61249552).

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

39672560 is a wasteful number, since it uses less digits than its factorization.

39672560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 39672560 is about 6298.6157209342. The cubic root of 39672560 is about 341.0594404513.

The spelling of 39672560 in words is "thirty-nine million, six hundred seventy-two thousand, five hundred sixty".