39740972 has 24 divisors (see below), whose sum is σ = 72267552. Its totient is φ = 19107200.

The previous prime is 39740971. The next prime is 39740993. The reversal of 39740972 is 27904793.

39740972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (39740971) 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 7 ways as a sum of consecutive naturals, for example, 9938 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (3011148).

Almost surely, 2^39740972 is an apocalyptic number.

It is an amenable number.

39740972 is a deficient number, since it is larger than the sum of its proper divisors (32526580).

39740972 is a wasteful number, since it uses less digits than its factorization.

39740972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 39740972 is about 6304.0440988305. The cubic root of 39740972 is about 341.2553706660.

The spelling of 39740972 in words is "thirty-nine million, seven hundred forty thousand, nine hundred seventy-two".