39670722 has 168 divisors, whose sum is σ = 115210944. Its totient is φ = 10007712.

The previous prime is 39670717. The next prime is 39670723. The reversal of 39670722 is 22707693.

39670722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39670723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1724803 + ... + 1724825.

Almost surely, 2^39670722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39670722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57605472).

39670722 is an abundant number, since it is smaller than the sum of its proper divisors (75540222).

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

39670722 is a wasteful number, since it uses less digits than its factorization.

39670722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 39670722 is about 6298.4698141692. The cubic root of 39670722 is about 341.0541733605.

It can be divided in two parts, 39 and 670722, that added together give a square (670761 = 819²).

The spelling of 39670722 in words is "thirty-nine million, six hundred seventy thousand, seven hundred twenty-two".