39072530 has 16 divisors (see below), whose sum is σ = 80377920. Its totient is φ = 13396272.

The previous prime is 39072503. The next prime is 39072533. The reversal of 39072530 is 3527093.

It is a junction number, because it is equal to n+sod(n) for n = 39072493 and 39072502.

It is not an unprimeable number, because it can be changed into a prime (39072533) 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, 279020 + ... + 279159.

It is an arithmetic number, because the mean of its divisors is an integer number (5023620).

Almost surely, 2^39072530 is an apocalyptic number.

39072530 is an abundant number, since it is smaller than the sum of its proper divisors (41305390).

39072530 is a wasteful number, since it uses less digits than its factorization.

39072530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558193.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 39072530 is about 6250.8023484990. The cubic root of 39072530 is about 339.3312402384.

The spelling of 39072530 in words is "thirty-nine million, seventy-two thousand, five hundred thirty".