42989372 has 6 divisors (see below), whose sum is σ = 75231408. Its totient is φ = 21494684.

The previous prime is 42989371. The next prime is 42989377. The reversal of 42989372 is 27398924.

It is a super-2 number, since 2×42989372² = 3696172209908768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42989371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5373668 + ... + 5373675.

It is an arithmetic number, because the mean of its divisors is an integer number (12538568).

Almost surely, 2^42989372 is an apocalyptic number.

It is an amenable number.

42989372 is a deficient number, since it is larger than the sum of its proper divisors (32242036).

42989372 is a wasteful number, since it uses less digits than its factorization.

42989372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747347 (or 10747345 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 42989372 is about 6556.6280968193. The cubic root of 42989372 is about 350.3109400056.

The spelling of 42989372 in words is "forty-two million, nine hundred eighty-nine thousand, three hundred seventy-two".