35978972 has 24 divisors (see below), whose sum is σ = 65304960. Its totient is φ = 17326080.

The previous prime is 35978963. The next prime is 35978993. The reversal of 35978972 is 27987953.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 35978972.

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, 31304 + ... + 32432.

It is an arithmetic number, because the mean of its divisors is an integer number (2721040).

Almost surely, 2^35978972 is an apocalyptic number.

It is an amenable number.

35978972 is a deficient number, since it is larger than the sum of its proper divisors (29325988).

35978972 is a wasteful number, since it uses less digits than its factorization.

35978972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 35978972 is about 5998.2474107026. The cubic root of 35978972 is about 330.1284226215.

The spelling of 35978972 in words is "thirty-five million, nine hundred seventy-eight thousand, nine hundred seventy-two".