39970270 has 16 divisors (see below), whose sum is σ = 72022608. Its totient is φ = 15971200.

The previous prime is 39970267. The next prime is 39970277. The reversal of 39970270 is 7207993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970277) 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, 12870 + ... + 15670.

It is an arithmetic number, because the mean of its divisors is an integer number (4501413).

Almost surely, 2^39970270 is an apocalyptic number.

39970270 is a deficient number, since it is larger than the sum of its proper divisors (32052338).

39970270 is a wasteful number, since it uses less digits than its factorization.

39970270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 39970270 is about 6322.2045205767. The cubic root of 39970270 is about 341.9104390268.

The spelling of 39970270 in words is "thirty-nine million, nine hundred seventy thousand, two hundred seventy".