39077072 has 40 divisors (see below), whose sum is σ = 80232960. Its totient is φ = 18385920.

The previous prime is 39077063. The next prime is 39077089. The reversal of 39077072 is 27077093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57728 + ... + 58400.

It is an arithmetic number, because the mean of its divisors is an integer number (2005824).

Almost surely, 2^39077072 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 39077072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40116480).

39077072 is an abundant number, since it is smaller than the sum of its proper divisors (41155888).

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

39077072 is a wasteful number, since it uses less digits than its factorization.

39077072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 39077072 is about 6251.1656513006. The cubic root of 39077072 is about 339.3443882888.

The spelling of 39077072 in words is "thirty-nine million, seventy-seven thousand, seventy-two".